user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: who was president when the us navy department was established? 
Knowledge Triplets: United States Department of Defense, government.government_agency.jurisdiction, United States of America
President of the United States, government.government_office_or_title.office_holders, m.0446bcc
President of the United States, base.schemastaging.context_name.plural, m.0w0qt9b
United States presidential election, 1864, book.book_subject.works, Reelecting Lincoln: The Battle for the 1864 Presidency
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Ulysses S. Grant
President of the United States, government.government_office_or_title.office_holders, m.0446b8l
United States presidential election, 1964, government.election.office, President of the United States
m.09vj0k5, base.yupgrade.user.topics, President of the United States
United States presidential election, 1840, government.election.office, President of the United States
United States Department of Defense, book.author.works_written, Map Reading and Land Navigation
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Abraham Lincoln
m.03q2j0h, government.government_position_held.office_position_or_title, Assistant Secretary of the Navy
United States Secretary of the Navy, common.topic.notable_for, g.1258f96b9
United States presidential election, 1868, government.election.office, President of the United States
United States Department of Defense, common.topic.article, m.07y0z
United States Department of Defense, government.governmental_body.members, m.0b6b7x9
President of the United States, government.government_office_or_title.office_holders, m.03fx8cf
United States Department of Defense, government.governmental_body.members, m.0b6b7w5
United States presidential election, 1952, government.election.office, President of the United States
United States presidential election, 1912, book.book_subject.works, 1912: Wilson, Roosevelt, Taft and Debs - The Election that Changed the Country
United States presidential election, 1976, government.election.office, President of the United States
United States Secretary of the Navy, common.topic.image, Naval Department Seal
United States Department of Defense, common.topic.webpage, m.0fpsmwg
Peter Santilli, base.yupgrade.user.topics, President of the United States
United States presidential election, 1872, government.election.office, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.04469xv
Ulysses S. Grant, fictional_universe.fictional_character.occupation, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.0446b70
United States presidential election, 1924, government.election.office, President of the United States
m.09w3mzl, government.government_position_held.office_position_or_title, United States Secretary of the Navy
United States Department of Defense, book.author.works_written, Encyclopedia of Arms and Weapons
m.07nflbk, base.ontologies.ontology_instance_mapping.freebase_topic, President of the United States
United States Department of the Navy, government.governmental_body.body_this_is_a_component_of, United States Department of Defense
United States presidential election, 1900, government.election.office, President of the United States
United States presidential election, 1816, government.election.office, President of the United States
United States Department of the Navy, government.government_agency.jurisdiction, United States of America
United States presidential election, 1856, government.election.office, President of the United States
David A. Bray, common.topic.subject_of, United States Department of Defense
United States Secretary of the Navy, government.government_office_or_title.office_holders, m.09s664p
United States presidential election, 1852, government.election.office, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.04466zr
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, book.book.genre, Non-fiction
President of the United States, government.government_office_or_title.office_holders, m.02kzpyv
United States Department of Defense, government.governmental_body.members, m.0b6b7x5
United States Department of Defense, organization.organization.headquarters, m.0wp8129
United States Department of Defense, government.governmental_body.members, m.0b6b7x1
President of the United States, government.government_office_or_title.office_holders, m.03fx85y
President of the United States, government.government_office_or_title.office_holders, m.03fx82m
m.06h_8hr, base.yupgrade.user.topics, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.03fx88m
m.010g2w70, government.government_position_held.office_position_or_title, United States Secretary of the Navy
President of the United States, base.firsts.achievement.firsts, m.08ntjg4
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Lt. Cmdr. Robby Jackson
Sherri Shepherd, base.yupgrade.user.topics, President of the United States
Assistant Secretary of the Navy, government.government_office_or_title.office_holders, m.03q2j0v
President of the United States, user.avh.default_domain.ellerdale_topic.ellerdale_id, 0080-14df
m.03q2j13, government.government_position_held.office_position_or_title, Assistant Secretary of the Navy
m.09s664p, government.government_position_held.office_position_or_title, United States Secretary of the Navy
United States presidential election, 1844, government.election.office, President of the United States
United States presidential election, 1968, government.election.office, President of the United States
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Conrad Dalton
United States Department of Defense, government.governmental_body.members, m.0b6b7w1
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, President Thomas Westwood
Ana Marie Cox, base.yupgrade.user.topics, President of the United States
United States Department of Defense, common.topic.notable_for, g.125fmxpp0
United States Department of Defense, military.armed_force.personnel, m.04kc7mq
President of the United States, book.book_subject.works, First Off the Tee: Presidential Hackers, Duffers, and Cheaters From Taft to Bush
United States presidential election, 1876, government.election.office, President of the United States
United States Secretary of the Navy, common.topic.image, MabusRay
President of the United States, symbols.flag_referent.flag, m.0j9gyfv
m.03q2j13, government.government_position_held.governmental_body, United States Department of the Navy
President of the United States, government.government_office_or_title.office_holders, m.0446b9r
President of the United States, book.book_subject.works, White House Ghosts: Presidents and Their Speechwriters
United States Department of Defense, base.schemastaging.organization_extra.contact_webpages, m.010gcms8
President of the United States, government.government_office_or_title.office_holders, m.03fx8c3
United States Department of Defense, organization.organization.child, m.0131hsgv
United States Secretary of the Navy, common.topic.webpage, m.0glvvsy
Theodore Roosevelt, government.us_vice_president.to_president, William McKinley
m.04wrx4g, base.firsts.first_achievement.achievement, President of the United States
United States Department of Defense, organization.organization.child, m.0cv3jmy
m.0b6b7w1, government.government_position_held.appointed_by, Harry S. Truman
President of the United States, government.government_office_or_title.office_holders, m.03q2h_9
United States Department of Defense, book.author.works_written, Schlesinger Report
United States Department of the Navy, common.topic.notable_types, Government Agency
m.03q2j0v, government.government_position_held.governmental_body, United States Department of the Navy
President of the United States, government.government_office_or_title.office_holders, m.04469xf
President of the United States, business.employer.employees, m.0whvvj4
United States Department of Defense, book.author.works_written, Boobytraps Fm5-31
President of the United States, base.firsts.achievement.firsts, m.04wrwjv
United States Department of Defense, common.topic.image, The Pentagon US Department of Defense building
President of the United States, government.government_office_or_title.office_holders, m.03fx817
President of the United States, government.government_office_or_title.office_holders, m.04469y8
m.0b6b7w9, government.government_position_held.appointed_by, Harry S. Truman
United States Department of Defense, book.author.works_written, 2007 U.S. Military Documents
United States Secretary of the Navy, government.government_office_or_title.office_holders, m.09w3mzl
President of the United States, book.book_subject.works, Otto Runs for President
President of the United States, book.book_subject.works, Poem for a President: Midnight Flight of the Poetry Angels
m.0cm652s, organization.organization_relationship.child, United States Department of the Navy
United States presidential election, 1796, government.election.office, President of the United States
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, book.book_edition.book, Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush
United States Department of Defense, organization.organization.date_founded, 1949-08-10
m.075_7gq, base.yupgrade.user.topics, President of the United States
United States Department of Defense, organization.organization.child, m.0cm652m
m.07v_4y4, base.yupgrade.user.topics, President of the United States
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Mackenzie Allen
United States presidential election, 1804, government.election.office, President of the United States
United States Secretary of the Navy, common.topic.image, SecretaryOfTheNavyFlag
United States presidential election, 1876, book.book_subject.works, Fraud of the Century: Rutherford B. Hayes, Samuel Tilden, and the Stolen Election of 1876
United States Department of Defense, common.topic.webpage, m.0422kyz
Harry S. Truman, organization.organization_founder.organizations_founded, United States Department of Defense
m.03q2hyl, government.government_position_held.office_position_or_title, Assistant Secretary of the Navy
United States presidential election, 1808, government.election.office, President of the United States
United States Department of the Navy, organization.organization.child, m.0gl5c0_
President of the United States, government.government_office_or_title.office_holders, m.04469y1
United States Secretary of the Navy, organization.role.leaders, m.0wrqn8k
m.0wrqn8k, organization.leadership.role, United States Secretary of the Navy
Franklin D. Roosevelt, government.us_president.vice_president, Harry S. Truman
m.075_7tf, base.yupgrade.user.topics, President of the United States
United States Department of the Navy, government.governmental_body.members, m.03q2j0v
President of the United States, government.government_office_or_title.jurisdiction, United States of America
United States Department of Defense, government.governmental_body.members, m.0b6b7y9
Warren G. Harding, government.us_president.vice_president, Calvin Coolidge
United States Department of the Navy, government.governmental_body.members, m.03q2j0h
m.0c1svhh, people.appointment.appointed_role, President of the United States
m.0b6b7wf, government.government_position_held.appointed_by, Harry S. Truman
President of the United States, government.government_office_or_title.office_holders, m.03fx83v
United States presidential election, 1860, government.election.office, President of the United States
United States presidential election, 1932, government.election.office, President of the United States
United States presidential election, 1864, government.election.office, President of the United States
Assistant Secretary of the Navy, government.government_office_or_title.office_holders, m.03q2h_j
United States Secretary of the Navy, common.topic.article, m.0c02w
United States Secretary of the Navy, base.schemastaging.context_name.plural, m.0w0qty7
United States presidential election, 1792, government.election.office, President of the United States
President of the United States, book.book_subject.works, The Sound of Leadership: Presidential Communication in the Modern Age
United States Department of Defense, government.governmental_body.members, m.010g2w70
United States Department of Defense, military.armed_force.personnel, m.04j7v40
President of the United States, government.government_office_or_title.office_holders, m.0446bdb
United States presidential election, 1908, government.election.office, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.03fx83k
Conrad Dalton, fictional_universe.fictional_character.occupation, President of the United States
United States Department of Defense, book.author.openlibrary_id, OL2741150A
Theodore Roosevelt, Jr., people.person.nationality, United States of America
President of the United States, government.government_office_or_title.category, President
President of the United States, base.schemastaging.context_name.pronunciation, g.125_lw0zw
United States Secretary of the Navy, people.appointed_role.appointment, m.07kmj76
m.09vj0jw, base.yupgrade.user.topics, President of the United States
Assistant Secretary of the Navy, common.topic.notable_types, Government Office or Title
United States Department of Defense, organization.organization.child, m.0j5vjmn
m.03q2j0v, government.government_position_held.office_position_or_title, Assistant Secretary of the Navy
United States presidential election, 1904, government.election.office, President of the United States
United States presidential election, 1788–89, government.election.office, President of the United States
United States Department of Defense, government.governmental_body.members, m.0b6b7w9
President of the United States, government.government_office_or_title.office_holders, m.04466tx
United States Department of the Navy, common.topic.notable_for, g.125977cfz
Calvin Coolidge, government.us_vice_president.to_president, Warren G. Harding
United States presidential election, 1928, government.election.office, President of the United States
m.0b6b7w5, government.government_position_held.appointed_by, Harry S. Truman
United States presidential election, 1944, government.election.office, President of the United States
United States Department of Defense, government.governmental_body.members, m.0b6b7wk
United States presidential election, 1912, government.election.office, President of the United States
United States Department of Defense, common.topic.subjects, David A. Bray
m.02wllwt, common.webpage.topic, United States Department of Defense
Matt Santos, fictional_universe.fictional_character.occupation, President of the United States
United States Department of Defense, military.armed_force.personnel, m.04kc7ly
President of the United States, government.government_office_or_title.office_holders, m.0446bdk
President of the United States, government.government_office_or_title.office_holders, m.03fx838
United States Department of Defense, government.governmental_body.members, m.09w3qtm
United States presidential election, 1896, government.election.office, President of the United States
United States Department of the Navy, government.governmental_body.members, m.011qhxxc
Assistant Secretary of the Navy (Research, Development and Acquisition), government.government_office_or_title.office_holders, m.011qhxxc
m.011qhxxc, government.government_position_held.office_position_or_title, Assistant Secretary of the Navy (Research, Development and Acquisition)
Newsweek, base.yupgrade.user.topics, President of the United States
United States presidential election, 1824, government.election.office, President of the United States
m.03q2hyl, government.government_position_held.governmental_body, United States Department of the Navy
m.011qhxxc, government.government_position_held.appointed_by, George W. Bush
President of the United States, book.book_subject.works, Burn Before Reading: Presidents, CIA Directors, and Secret Intelligence
President of the United States, government.government_office_or_title.office_holders, m.04466xz
President of the United States, government.government_office_or_title.office_holders, m.04466xb
United States Department of Defense, government.governmental_body.members, m.0nd7wz9
United States Department of the Navy, spaceflight.space_program_sponsor.space_programs_sponsored, Project Vanguard
President of the United States, people.appointed_role.appointment, m.0c1svhh
President of the United States, government.government_office_or_title.office_holders, m.040b_7k
United States presidential election, 1960, book.book_subject.works, The Making of the President, 1960
President of the United States, government.government_office_or_title.office_holders, m.04s_2dh
m.09w3qtm, government.government_position_held.office_position_or_title, United States Secretary of the Navy
m.09vj0kt, base.yupgrade.user.topics, President of the United States
President of the United States, base.firsts.achievement.firsts, m.04xdfjz
United States presidential election, 1836, government.election.office, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.03fx7hy
United States presidential election, 1936, government.election.office, President of the United States
m.04wrwjv, base.firsts.first_achievement.achievement, President of the United States
Lt. Cmdr. Robby Jackson, fictional_universe.fictional_character.occupation, President of the United States
United States Department of Defense, government.governmental_body.members, m.0whvkx3
United States Secretary of the Navy, base.schemastaging.context_name.pronunciation, g.125_rtq40
William McKinley, government.us_president.vice_president, Theodore Roosevelt
United States presidential election, 1920, government.election.office, President of the United States
President of the United States, business.employer.employees, m.0czp5hh
United States Department of Defense, government.governmental_body.members, m.04jsy_4
United States Department of the Navy, government.governmental_body.members, m.03q2h_j
Henry L. Roosevelt, people.person.nationality, United States of America
United States Department of Defense, book.author.works_written, 2005 Defend America
United States Department of Defense, government.governmental_body.members, m.0n3nz1d
Presidential command : power, leadership, and the making of foreign policy from Richard Nixon to George W. Bush, book.book_edition.book, Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush
United States Department of Defense, government.governmental_body.members, m.0b6b7xk
United States of America, government.governmental_jurisdiction.agencies, United States Department of the Navy
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, book.book.editions, Presidential command : power, leadership, and the making of foreign policy from Richard Nixon to George W. Bush
President of the United States, government.government_office_or_title.office_holders, m.02h6phn
m.0422kyz, common.webpage.topic, United States Department of Defense
United States Department of Defense, government.governmental_body.members, m.0b6b7xt
United States Department of the Navy, organization.organization.date_founded, 1798
United States Department of Defense, freebase.valuenotation.is_reviewed, Contact webpages
Harry S. Truman, government.us_vice_president.to_president, Franklin D. Roosevelt
President of the United States, book.book_subject.works, The Moral Rhetoric of American Presidents
United States presidential election, 1848, government.election.office, President of the United States
United States presidential election, 1832, government.election.office, President of the United States
m.07c_t5z, base.yupgrade.user.topics, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.03fx87q
President of the United States, government.government_office_or_title.office_holders, m.03fx7zy
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Jack Ryan
United States Department of Defense, government.governmental_body.members, m.0b6b7y5
m.09vj0jk, base.yupgrade.user.topics, President of the United States
United States presidential election, 1972, government.election.office, President of the United States
United States Department of Defense, common.topic.image, DoD Seal
United States Department of Defense, common.topic.webpage, m.07ldrsr
m.07ldrsr, common.webpage.topic, United States Department of Defense
President of the United States, book.book_subject.works, The Reader's Companion to the American Presidency
m.0gl5c0_, organization.organization_relationship.parent, United States Department of the Navy
Jack Ryan, fictional_universe.fictional_character.occupation, President of the United States
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Josiah Bartlet
Assistant Secretary of the Navy (Research, Development and Acquisition), common.topic.notable_types, Government Office or Title
United States Department of Defense, government.governmental_body.members, m.0b6b7wt
United States Department of the Navy, organization.organization.parent, m.0cm652s
m.09sq912, base.yupgrade.user.topics, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.01xrx8q
m.03q2h_j, government.government_position_held.governmental_body, United States Department of the Navy
United States Department of the Navy, government.governmental_body.members, m.03q2j13
President of the United States, book.book_subject.works, Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush
President of the United States, government.government_office_or_title.office_holders, m.0446b9j
m.04xdfjz, base.firsts.first_achievement.achievement, President of the United States
United States Secretary of the Navy, common.topic.notable_types, Government Office or Title
United States Department of the Navy, user.avh.default_domain.ellerdale_topic.ellerdale_id, 009b-3485
United States presidential election, 1948, government.election.office, President of the United States
United States Secretary of the Navy, government.government_office_or_title.governmental_body_if_any, United States Department of the Navy
United States Department of the Navy, common.topic.article, m.03cv2b
President of the United States, book.book_subject.works, The Rhetorical Presidency
United States Department of Defense, government.governmental_body.members, m.0b6b7y1
m.011qhxxc, government.government_position_held.governmental_body, United States Department of the Navy
Foreign policy, book.book_subject.works, Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush
President of the United States, base.firsts.achievement.firsts, m.04wrx4g
m.08ntjg4, base.firsts.first_achievement.achievement, President of the United States
President Pennybaker, book.written_work.subjects, President of the United States
Politics of the United States, book.book_subject.works, Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush
President Thomas Westwood, fictional_universe.fictional_character.occupation, President of the United States
United States Secretary of the Navy, government.government_office_or_title.office_holders, m.09w3qtm
President of the United States, government.government_office_or_title.office_holders, m.03fx81_
President of the United States, book.book_subject.works, Presidential Leadership: Rating the Best and the Worst in the White House
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Cast of Dasavathaaram
President of the United States, government.government_office_or_title.office_holders, m.03fx7j8
President of the United States, book.book_subject.works, Madam President
Mackenzie Allen, fictional_universe.fictional_character.occupation, President of the United States
m.09vj0kh, base.yupgrade.user.topics, President of the United States
President of the United States, government.government_office_or_title.office_holders, m.03fx7_v
United States presidential election, 1916, government.election.office, President of the United States
Assistant Secretary of the Navy, government.government_office_or_title.office_holders, m.03q2j13
United States Department of Defense, government.governmental_body.members, m.0b6b7wp
President of the United States, government.government_office_or_title.office_holders, m.02k6vpl
United States Department of the Navy, government.governmental_body.offices_positions, United States Secretary of the Navy
United States presidential election, 1956, government.election.office, President of the United States
United States Department of the Navy, government.governmental_body.members, m.03q2hyl
President of the United States, government.government_office_or_title.office_holders, m.02hz5r6
United States Department of Defense, organization.organization.child, m.0cm652g
Josiah Bartlet, fictional_universe.fictional_character.occupation, President of the United States
United States presidential election, 1828, government.election.office, President of the United States
m.0glvvsy, common.webpage.topic, United States Secretary of the Navy
United States presidential election, 1812, government.election.office, President of the United States
m.03q2h_j, government.government_position_held.appointed_by, Woodrow Wilson
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, book.written_work.subjects, President of the United States
United States Department of Defense, organization.organization.child, m.0cm652s
United States Department of Defense, government.governmental_body.component_bodies, United States Department of the Navy
m.06wfthx, base.yupgrade.user.topics, President of the United States
navy department.noun.01, base.wordnet.synset.equivalent_topic, United States Department of the Navy
m.03q2h_j, government.government_position_held.office_position_or_title, Assistant Secretary of the Navy
United States Department of Defense, government.governmental_body.members, m.0b6b7yp
m.03q2j0h, government.government_position_held.governmental_body, United States Department of the Navy
President of the United States, base.ontologies.ontology_instance.equivalent_instances, m.07nflbk
m.09vj0j7, base.yupgrade.user.topics, President of the United States
United States presidential election, 1880, government.election.office, President of the United States
m.03q2j13, government.government_position_held.appointed_by, Franklin D. Roosevelt
President of the United States, book.book_subject.works, President Pennybaker
Assistant Secretary of the Navy, government.government_office_or_title.office_holders, m.03q2j0h
United States Department of Defense, organization.organization.child, m.0zdvlt8
United States presidential election, 1984, government.election.office, President of the United States
United States Department of Defense, organization.organization.founders, Harry S. Truman
President of the United States, government.government_office_or_title.office_holders, m.02s9flj
President of the United States, base.ontologies.ontology_class.equivalent_classes, m.0dj2gvv
President of the United States, book.book_subject.works, Grace for President
President of the United States, book.book_subject.works, Max for President
United States Department of Defense, base.newsevents.news_reporting_organisation.news_reports, m.0bj8b_y
President of the United States, book.book_subject.works, The American Leadership Tradition: Moral Vision from Washington to Clinton
United States Department of Defense, organization.organization.child, m.0dg7674
United States Department of Defense, common.topic.webpage, m.02wllwt
m.0fpsmwg, common.webpage.topic, United States Department of Defense
President of the United States, government.government_office_or_title.office_holders, m.04469yh
United States presidential election, 1960, government.election.office, President of the United States
Theodore Roosevelt, people.person.nationality, United States of America
President of the United States, government.government_office_or_title.office_holders, m.04466xm
President of the United States, fictional_universe.character_occupation.characters_with_this_occupation, Matt Santos
m.07kmj76, people.appointment.appointed_role, United States Secretary of the Navy
Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush, book.book.editions, Presidential Command: Power, Leadership, and the Making of Foreign Policy from Richard Nixon to George W. Bush
President of the United States, book.book_subject.works, What Do We Do Now?: A Workbook for the President-elect
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Answer: John Adams