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 became President when the author of "Profiles in Courage" was killed? 
Knowledge Triplets: Joseph P. Kennedy, Sr., freebase.valuenotation.is_reviewed, Date of death
Creative America, book.written_work.author, John F. Kennedy
Book Edition, freebase.type_profile.published, Published
John F. Kennedy, book.author.works_written, A Nation of Immigrants
Kennedy, book.written_work.subjects, History of the United States
John F. Kennedy, common.topic.article, m.0d3k1g
John F. Kennedy, freebase.valuenotation.is_reviewed, Date of birth
John F. Kennedy, book.book_subject.works, Kennedy and the promise of the sixties
A Nation of Immigrants, book.written_work.author, John F. Kennedy
John F. Kennedy, book.author.works_written, America's challenge to a race for peace
John F. Kennedy, media_common.dedicatee.dedications, m.04szj3z
John F. Kennedy, organization.organization_founder.organizations_founded, United States Agency for International Development
Two days later, Oswald was shot and killed while in police custody by Jack Ruby, a nightclub owner., base.kwebbase.kwsentence.previous_sentence, Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested.
John F. Kennedy, government.us_president.vice_president, Lyndon B. Johnson
john fitzgerald kennedy succeeded dwight david eisenhower, base.kwebbase.kwconnection.sentence, The youth and vigor of his staff compared with that of outgoing president Eisenhower,  raised public expectations.
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, common.topic.notable_types, Book
John F. Kennedy, freebase.valuenotation.is_reviewed, Cause of death
John F. Fitzgerald, people.person.children, Rose Kennedy
john fitzgerald kennedy allegedly assassinated by lee harvey oswald, base.kwebbase.kwconnection.subject, John F. Kennedy
John F. Kennedy, influence.influence_node.influenced_by, Eleanor Roosevelt
John F. Kennedy, people.person.education, m.0125tzqv
Words to remember, book.written_work.author, John F. Kennedy
Profiles in courage, book.book_edition.author_editor, John F. Kennedy
One Minute to Midnight, book.written_work.subjects, John F. Kennedy
John F. Kennedy, book.author.works_written, The Cuban missile crisis
john fitzgerald kennedy succeeded dwight david eisenhower, base.kwebbase.kwconnection.subject, John F. Kennedy
An Unfinished Life: John F. Kennedy, 1917–1963, book.written_work.subjects, History of the United States
Assassination of John F. Kennedy, film.film_subject.films, Films from the Sixth Floor
John F. Kennedy, book.author.works_written, The Kennedy-Khrushchev Letters
Let the word go forth\" : the speeches, statements, and writings of John F. Kennedy, book.written_work.author, John F. Kennedy
John F. Kennedy, book.author.works_written, The complete Kennedy wit
John F. Kennedy 1961 presidential inauguration, base.culturalevent.event.entity_involved, Lyndon B. Johnson
John F. Kennedy, book.author.works_written, The wit and wisdom of John F. Kennedy
John F. Kennedy, people.appointer.appointment_made, m.0hn41mj
John F. Kennedy, government.us_vice_president.to_president, Lyndon B. Johnson
John F. Kennedy, book.book_subject.works, One Hell of a Gamble: Khrushchev, Castro, and Kennedy, 1958-1964 - The Secret History of the Cuban Missile Crisis
Prelude to leadership, book.written_work.author, John F. Kennedy
John F. Kennedy, film.film_story_contributor.film_story_credits, A Profile in Courage
Book, freebase.type_profile.kind, Definition
Why England Slept, book.written_work.next_in_series, Profiles in Courage
John F. Kennedy, freebase.valuenotation.is_reviewed, Date of death
Assassination of John F. Kennedy, book.book_subject.works, The Kennedy Assassination Tapes
Antología de John F. Kennedy, common.topic.notable_types, Book
John F. Kennedy, base.kwebbase.kwtopic.has_sentences, During his lengthy convalescence, he wrote the Pulitzer-prize- winning \"Profiles of Courage\", published in 1956.
John F. Kennedy, book.book_subject.works, The JFK assassination
Henry David Thoreau, influence.influence_node.influenced, John F. Kennedy
John F. Kennedy, word for word, book.written_work.author, John F. Kennedy
Why England Slept, book.written_work.author, John F. Kennedy
Lyndon B. Johnson, freebase.valuenotation.is_reviewed, Place of death
John F. Kennedy, book.author.works_written, What kind of peace?
John F. Kennedy, freebase.valuenotation.is_reviewed, Gender
John F. Kennedy, influence.influence_node.influenced_by, Henry David Thoreau
Assassination of John F. Kennedy, common.topic.subject_of, Text and Meaning in Robert Frost's \"Dedication: For John F. Kennedy\"
Lyndon B. Johnson, people.person.nationality, United States of America
United States Agency for International Development, organization.organization.founders, John F. Kennedy
John F. Kennedy, people.person.education, m.0127txc2
Lyndon B. Johnson, freebase.valuenotation.is_reviewed, Date of death
John F. Kennedy, book.author.works_written, Why England Slept
John F. Kennedy, people.person.education, m.0125s3s2
John F. Kennedy, book.book_subject.works, One Minute to Midnight
Caroline Kennedy, people.person.profession, Writer
John F. Kennedy, common.topic.webpage, m.0b46nf9
John F. Kennedy, people.person.education, m.04t5mdc
Profiles in Courage, book.book.genre, Non-fiction
Two days later, Oswald was shot and killed while in police custody by Jack Ruby, a nightclub owner., base.kwebbase.kwsentence.next_sentence, The circumstances of Kennedy's death led to a multitude of theories about who was responsible for his death.
John F. Kennedy, common.topic.webpage, m.0b6rdfq
The circumstances of Kennedy's death led to a multitude of theories about who was responsible for his death., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
John F. Kennedy, book.author.works_written, Quotations from the Scriptures
John F. Kennedy, book.author.works_written, The humor of JFK
Assassination of John F. Kennedy, book.book_subject.works, Live by the sword
The Making of the President, 1960, book.written_work.original_language, English Language
Profiles in Courage, award.award_winning_work.awards_won, m.08y3wwt
Profiles in Courage, book.written_work.subjects, Congress
John F. Kennedy, book.author.works_written, Creative America
John F. Kennedy, book.book_subject.works, JFK and LBJ
The quotable Kennedy, book.written_work.author, John F. Kennedy
John F. Kennedy, book.author.works_written, Prelude to leadership
Felix Dodds, people.person.profession, Author
Topic, freebase.type_profile.published, Published
Reflections on the Cuban missile crisis, book.written_work.subjects, John F. Kennedy
Assassination of John F. Kennedy, symbols.namesake.named_after, John F. Kennedy
Jackie, Ethel, Joan, book.written_work.subjects, John F. Kennedy
Kennedy and the press, book.written_work.author, John F. Kennedy
On November 22, 1963, Kennedy was assassinated as he and his wife drove through Dallas, Texas., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
A Nation of Immigrants, book.written_work.previous_in_series, Profiles in Courage
John F. Kennedy, freebase.valuenotation.is_reviewed, Place of death
John F. Kennedy, book.author.works_written, To turn the tide
John F. Kennedy, book.author.works_written, The inaugural address
Profiles in Courage, award.award_nominated_work.award_nominations, m.0b9zgjq
John F. Kennedy, common.topic.image, JFK portrait
John F. Kennedy, book.author.works_written, Some elements of the American character
John F. Kennedy, book.author.works_written, Let us call a truce to terror
John F. Kennedy, common.topic.webpage, m.09y6s4p
John F. Kennedy, book.author.works_written, New opportunities in the search for peace
John F. Kennedy, people.person.education, m.0s94p54
Legacy of a president, book.written_work.author, John F. Kennedy
Book, freebase.type_profile.strict_included_types, Topic
Let us call a truce to terror, book.written_work.author, John F. Kennedy
John F. Kennedy, book.book_subject.works, An Unfinished Life: John F. Kennedy, 1917–1963
Four Days in November, book.written_work.subjects, Assassination of John F. Kennedy
Some elements of the American character, book.written_work.author, John F. Kennedy
John F. Kennedy, freebase.valuenotation.is_reviewed, Parents
Assassination of John F. Kennedy, book.book_subject.works, The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up
John F. Kennedy, common.topic.webpage, m.09x5n2n
An Unfinished Life: John F. Kennedy, 1917–1963, book.written_work.subjects, John F. Kennedy
A Profile in Courage, film.film.story_by, John F. Kennedy
John F. Kennedy, influence.influence_node.influenced, Felix Dodds
Kennedy, book.written_work.subjects, John F. Kennedy
The Kennedy-Khrushchev Letters, book.written_work.author, John F. Kennedy
Profiles in courage, common.topic.notable_for, g.1256y229q
Profiles in Courage, award.award_nominated_work.award_nominations, m.09kmj34
John F. Kennedy, common.topic.webpage, m.0b48xzc
The Dark Side of Camelot, book.written_work.subjects, John F. Kennedy
John F. Kennedy, people.person.education, m.0s94p0_
John F. Kennedy, people.person.education, m.0125d08t
Kennedy, book.book.genre, Biography
Profiles in Courage, common.topic.notable_for, g.12555jbkt
Legacy of a president, common.topic.notable_types, Book
America divided, book.written_work.subjects, John F. Kennedy
Lyndon B. Johnson, people.person.gender, Male
John F. Kennedy, book.author.works_written, Memorable quotations of John F. Kennedy
Eleanor Roosevelt, people.person.profession, Author
Profiles in courage, book.book_edition.book, Profiles in Courage
Trade and the Atlantic partnership, book.written_work.author, John F. Kennedy
John F. Kennedy, book.book_subject.works, Four Days in November
Rachel Carson, people.person.profession, Author
Profiles in Courage, book.book_edition.author_editor, John F. Kennedy
John F. Kennedy, book.book_subject.works, The Advance Man: An Off-beat Look at What Really Happens in Political Campaigns
John F. Kennedy, book.book_subject.works, Forty ways to look at JFK
m.0hn41pp, people.appointment.appointed_by, John F. Kennedy
Profiles in Courage, common.topic.article, m.02s_l5
John F. Kennedy, book.author.works_written, The U.S. response to Soviet military buildup in Cuba; report to the people October 22, 1962
Quotations from the Scriptures, book.written_work.author, John F. Kennedy
The Kennedy Women, book.written_work.subjects, John F. Kennedy
Lyndon B. Johnson, freebase.valuenotation.is_reviewed, Country of nationality
John F. Kennedy, book.book_subject.works, Essence of Decision
Years of Discord, book.written_work.subjects, John F. Kennedy
Remarks in the Rudolph Wilde Platz \"Ich bin ein Berliner, book.written_work.author, John F. Kennedy
Profiles in Courage, book.written_work.subjects, Politics
The JFK assassination, book.written_work.subjects, History of the United States
Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested., base.kwebbase.kwsentence.contains_connections, john fitzgerald kennedy allegedly assassinated by lee harvey oswald
Lyndon B. Johnson, common.topic.notable_types, US President
John F. Kennedy, people.appointer.appointment_made, m.0hn41pp
America's challenge to a race for peace, book.written_work.author, John F. Kennedy
John F. Kennedy, book.book_subject.works, America divided
John F. Kennedy, book.author.works_written, Antología de John F. Kennedy
Profiles in Courage, common.topic.notable_types, Book Edition
John F. Kennedy, people.person.education, m.035j_7r
Profiles in Courage, book.book_edition.book, Profiles in Courage
John F. Kennedy, book.book_subject.works, Years of Discord
Patrick Bouvier Kennedy, people.person.nationality, United States of America
Set your compass true : the wisdom of John, Robert, & Edward Kennedy: reflections on leading an inspired life, book.written_work.author, John F. Kennedy
New opportunities in the search for peace, book.written_work.author, John F. Kennedy
Lyndon B. Johnson, freebase.valuenotation.is_reviewed, Date of birth
John F. Kennedy, book.author.book_editions_published, Profiles in Courage
John F. Kennedy, people.person.profession, Author
Henry David Thoreau, people.person.nationality, United States of America
Lyndon B. Johnson, freebase.valuenotation.is_reviewed, Place of birth
The faith of JFK, book.written_work.author, John F. Kennedy
The JFK assassination, book.written_work.subjects, Assassination of John F. Kennedy
John F. Kennedy, book.book_subject.works, The Best and the Brightest
The Kennedy wit, book.written_work.author, John F. Kennedy
John F. Kennedy, book.book_subject.works, Live by the sword
Federal Executive Boards, organization.organization.founders, John F. Kennedy
Book Edition, freebase.type_profile.kind, Definition
John F. Kennedy, book.book_subject.works, The Kennedy Tapes: Inside the White House during the Cuban Missile Crisis
John F. Kennedy, book.author.works_written, Set your compass true : the wisdom of John, Robert, & Edward Kennedy: reflections on leading an inspired life
The Making of the President, 1960, freebase.valuenotation.is_reviewed, Original language
The Making of the President, 1960, common.topic.notable_types, Book
The complete Kennedy wit, book.written_work.author, John F. Kennedy
John F. Kennedy, book.author.works_written, A step toward peace
Profiles in Courage, book.book.editions, Profiles in Courage
To turn the tide, book.written_work.author, John F. Kennedy
The JFK assassination, book.written_work.subjects, John F. Kennedy
His widow married Onassis Frost read a poem at his inauguration., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, book.written_work.subjects, John F. Kennedy
John F. Kennedy, freebase.valuenotation.is_reviewed, President number
John F. Kennedy, book.book_subject.works, The Kennedy Promise: The Politics of Expectation
Assassination of John F. Kennedy, time.event.locations, Dallas
The Making of the President, 1960, freebase.valuenotation.is_reviewed, Author
John F. Fitzgerald, people.person.nationality, United States of America
The burden and the glory, book.written_work.author, John F. Kennedy
John F. Kennedy, organization.organization_founder.organizations_founded, Presidential Commission on the Status of Women
John F. Kennedy, common.topic.webpage, m.0b48tfl
John F. Kennedy, people.person.education, m.0125jfhh
America, the beautiful. In the words of John F. Kennedy, book.written_work.author, John F. Kennedy
Lyndon B. Johnson, government.us_vice_president.to_president, John F. Kennedy
Four speeches, book.written_work.author, John F. Kennedy
John F. Kennedy, book.author.works_written, Words to remember
dwight david eisenhower succeeded by john fitzgerald kennedy, base.kwebbase.kwconnection.other, John F. Kennedy
Kennedy, book.written_work.subjects, History
The strategy of peace, book.written_work.author, John F. Kennedy
Book Edition, freebase.type_profile.strict_included_types, Topic
John F. Kennedy, book.author.works_written, Four speeches
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, book.written_work.subjects, Assassination of John F. Kennedy
John F. Kennedy, book.author.works_written, Kennedy through Indian eyes
John F. Kennedy, common.topic.webpage, m.0b46sw8
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, book.written_work.subjects, United States of America
John F. Kennedy, book.book_subject.works, The Dark Side of Camelot
John F. Kennedy, book.author.works_written, The quotable Kennedy
Profiles in Courage, book.book.genre, Biography
Sam Houston & the Senate, book.written_work.author, John F. Kennedy
John F. Kennedy, base.kwebbase.kwtopic.has_sentences, He was re-elected in 1948 and 1950.
John F. Kennedy, book.author.works_written, The Kennedy presidential press conferences
Profiles in courage, book.book_edition.number_of_pages, m.04v21d_
Kennedy, book.written_work.subjects, Politics
John F. Kennedy, people.person.profession, Writer
lee harvey oswald allegedly assassinated john fitzgerald kennedy, base.kwebbase.kwconnection.other, John F. Kennedy
Special Forces, organization.organization.founders, John F. Kennedy
Memorable quotations of John F. Kennedy, book.written_work.author, John F. Kennedy
John F. Kennedy, book.author.works_written, The Berlin crisis
The U.S. response to Soviet military buildup in Cuba; report to the people October 22, 1962, book.written_work.author, John F. Kennedy
As we remember Joe, book.written_work.author, John F. Kennedy
John F. Kennedy, base.kwebbase.kwtopic.has_sentences, On November 22, 1963, Kennedy was assassinated as he and his wife drove through Dallas, Texas.
On November 22, 1963, Kennedy was assassinated as he and his wife drove through Dallas, Texas., base.kwebbase.kwsentence.next_sentence, Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested.
John F. Kennedy, base.kwebbase.kwtopic.has_sentences, Two days later, Oswald was shot and killed while in police custody by Jack Ruby, a nightclub owner.
An Unfinished Life: John F. Kennedy, 1917–1963, book.written_work.subjects, United States of America
Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested., base.kwebbase.kwsentence.next_sentence, Two days later, Oswald was shot and killed while in police custody by Jack Ruby, a nightclub owner.
JFK and LBJ, book.written_work.subjects, John F. Kennedy
John F. Kennedy, book.author.works_written, John F. Kennedy on education
John F. Kennedy, book.author.works_written, America, the beautiful. In the words of John F. Kennedy
John F. Kennedy, freebase.valuenotation.is_reviewed, Children
The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up, book.written_work.subjects, History of the United States
Profiles in Courage, book.written_work.subjects, Biography
Profiles in Courage, book.book.editions, Profiles in courage
John F. Kennedy, base.kwebbase.kwtopic.connections_from, john fitzgerald kennedy allegedly assassinated by lee harvey oswald
Assassination of John F. Kennedy, base.culturalevent.event.entity_involved, John F. Kennedy
An Unfinished Life: John F. Kennedy, 1917–1963, common.topic.notable_types, Book
John F. Kennedy, book.author.works_written, The uncommon wisdom of JFK
John F. Kennedy, book.author.works_written, JFK wants to know
The Making of the President, 1960, book.written_work.subjects, John F. Kennedy
Profiles in Courage, book.written_work.author, John F. Kennedy
Kennedy through Indian eyes, book.written_work.author, John F. Kennedy
Profiles in Courage, award.award_winning_work.awards_won, m.04tnzwc
Henry David Thoreau, people.person.profession, Writer
Conversations With Kennedy, book.written_work.subjects, John F. Kennedy
lyndon baines johnson vice president to john fitzgerald kennedy, base.kwebbase.kwconnection.other, John F. Kennedy
John F. Kennedy, people.person.education, m.0127vzjh
John F. Kennedy, book.author.works_written, Kennedy and the press
Profiles in courage, common.topic.notable_types, Book Edition
Assassination of John F. Kennedy, book.book_subject.works, The JFK assassination
Boom!, book.written_work.subjects, John F. Kennedy
Book Edition, freebase.type_profile.equivalent_topic, Edition
John F. Kennedy, book.book_subject.works, Kennedy
m.09kmj34, award.award_nomination.nominated_for, Profiles in Courage
John F. Kennedy, book.author.works_written, Legacy of a president
The Kennedy Assassination Tapes, book.written_work.subjects, Assassination of John F. Kennedy
John F. Kennedy, base.kwebbase.kwtopic.connections_to, dwight david eisenhower succeeded by john fitzgerald kennedy
John F. Kennedy, book.author.works_written, More Kennedy wit
The inaugural address, book.written_work.author, John F. Kennedy
During his lengthy convalescence, he wrote the Pulitzer-prize- winning \"Profiles of Courage\", published in 1956., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
m.0hn41mj, people.appointment.appointed_by, John F. Kennedy
A step toward peace, book.written_work.author, John F. Kennedy
Profiles in Courage, book.written_work.previous_in_series, Why England Slept
Profiles in courage, book.author.book_editions_published, John F. Kennedy
John F. Kennedy, base.kwebbase.kwtopic.has_sentences, The circumstances of Kennedy's death led to a multitude of theories about who was responsible for his death.
john fitzgerald kennedy allegedly assassinated by lee harvey oswald, base.kwebbase.kwconnection.sentence, Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested.
Profiles in Courage, book.written_work.next_in_series, A Nation of Immigrants
John F. Kennedy, common.topic.notable_for, g.12564_fr4
John F. Kennedy, common.topic.notable_types, US President
US President, freebase.type_profile.published, Published
Assassination of John F. Kennedy, base.crime.crime.victim_s, John F. Kennedy
The wisdom of JFK, book.written_work.author, John F. Kennedy
John F. Kennedy, book.author.works_written, The shining moments
The Cuban missile crisis, book.written_work.author, John F. Kennedy
The Making of the President, 1960, book.book.genre, Non-fiction
John F. Kennedy, people.person.education, m.0123x2k3
Profiles in Courage, common.topic.notable_types, Book
Live by the sword, book.written_work.subjects, Assassination of John F. Kennedy
JFK in Ireland, book.written_work.subjects, John F. Kennedy
Profiles in Courage, book.written_work.subjects, United States of America
Caroline Kennedy, people.person.profession, Author
John F. Kennedy, book.author.works_written, Profiles in Courage
John F. Kennedy, people.person.education, m.04yzw40
John F. Kennedy, book.book_subject.works, The Kennedy Women
Essence of Decision, book.written_work.subjects, John F. Kennedy
Joseph P. Kennedy, Sr., freebase.valuenotation.is_reviewed, Place of death
ISBN, freebase.type_profile.kind, Definition
John F. Kennedy on education, common.topic.notable_types, Book
John F. Kennedy, book.book_subject.works, Reflections on the Cuban missile crisis
Lee Harvey Oswald, a young ex-Marine with links to the Soviet Union, was arrested., base.kwebbase.kwsentence.previous_sentence, On November 22, 1963, Kennedy was assassinated as he and his wife drove through Dallas, Texas.
Antología de John F. Kennedy, book.written_work.author, John F. Kennedy
Lyndon B. Johnson, people.person.profession, Politician
m.08y3wwt, award.award_honor.honored_for, Profiles in Courage
John F. Kennedy, people.person.education, m.0n0y0g0
Presidential Commission on the Status of Women, organization.organization.founders, John F. Kennedy
The Kennedy imprisonment, book.written_work.subjects, John F. Kennedy
The Berlin crisis, book.written_work.author, John F. Kennedy
Lyndon B. Johnson, freebase.valuenotation.is_reviewed, Gender
Kennedy and the promise of the sixties, book.written_work.subjects, John F. Kennedy
John F. Kennedy, book.author.works_written, Trade and the Atlantic partnership
John F. Kennedy, book.book_subject.works, The Making of the President, 1960
Profiles in Courage, freebase.valuenotation.is_reviewed, Author
The shining moments, book.written_work.author, John F. Kennedy
More Kennedy wit, book.written_work.author, John F. Kennedy
The Kennedy Assassination Tapes, book.written_work.subjects, John F. Kennedy
John F. Kennedy, people.person.education, m.0s94pc9
John F. Kennedy, book.author.works_written, Remarks in the Rudolph Wilde Platz \"Ich bin ein Berliner
John F. Kennedy, book.author.works_written, Kennedy-Shriver conversation on the Peace Corps
John F. Kennedy, book.book_subject.works, JFK in Ireland
Assassination of John F. Kennedy, film.film_subject.films, JFK
m.04tnzwc, award.award_honor.honored_for, Profiles in Courage
An Unfinished Life: John F. Kennedy, 1917–1963, book.book.genre, Biography
Eleanor Roosevelt, freebase.valuenotation.is_reviewed, Date of death
Kennedy, book.written_work.subjects, United States of America
John F. Kennedy, people.deceased_person.cause_of_death, Gunshot
Profiles in Courage, book.written_work.original_language, English Language
Two days later, Oswald was shot and killed while in police custody by Jack Ruby, a nightclub owner., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
Conversations With Kennedy, book.written_work.subjects, United States of America
John F. Kennedy on education, book.written_work.author, John F. Kennedy
John F. Kennedy, book.book_subject.works, Boom!
John F. Kennedy, book.author.book_editions_published, Profiles in courage
JFK wants to know, book.written_work.author, John F. Kennedy
Book, freebase.type_profile.published, Published
John F. Kennedy, book.author.works_written, As we remember Joe
John F. Kennedy, book.book_subject.works, The Kennedy Assassination Tapes
Four Days in November, book.written_work.subjects, John F. Kennedy
John F. Kennedy, book.book_subject.works, Conversations With Kennedy
John F. Kennedy, book.book_subject.works, The killing of a president : the complete photographic record of the JFK Assassination, the conspiracy and the cover-up
Lyndon B. Johnson, people.person.ethnicity, White people
John F. Kennedy, book.author.works_written, Let the word go forth\" : the speeches, statements, and writings of John F. Kennedy
John F. Kennedy, government.politician.party, m.03gjk7n
The circumstances of Kennedy's death led to a multitude of theories about who was responsible for his death., base.kwebbase.kwsentence.previous_sentence, Two days later, Oswald was shot and killed while in police custody by Jack Ruby, a nightclub owner.
The Best and the Brightest, book.written_work.subjects, John F. Kennedy
The JFK assassination, book.written_work.subjects, United States of America
John F. Fitzgerald, people.person.profession, Politician
Profiles in Courage, book.translated_work.translations, Le courage dans la politique
John F. Kennedy, book.author.works_written, Sam Houston & the Senate
John F. Kennedy, freebase.valuenotation.is_reviewed, Place of birth
Lyndon B. Johnson, freebase.valuenotation.is_reviewed, Parents
John F. Kennedy, people.person.profession, Screenwriter
Profiles in courage, book.book_edition.isbn, 9780060530624
The Kennedy presidential press conferences, book.written_work.author, John F. Kennedy
John F. Kennedy, common.topic.webpage, m.09y460p
He was re-elected in 1948 and 1950., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
What kind of peace?, book.written_work.author, John F. Kennedy
John F. Kennedy, book.author.works_written, The Kennedy wit
The uncommon wisdom of JFK, book.written_work.author, John F. Kennedy
US President, freebase.type_profile.strict_included_types, Topic
John F. Kennedy, book.book_subject.works, The Fitzgeralds and the Kennedys
Congress, book.book_subject.works, Profiles in Courage
Profiles in Courage, book.written_work.subjects, History
John F. Kennedy, people.person.education, m.03lll60
John F. Kennedy, people.person.profession, Politician
Book, freebase.type_profile.strict_included_types, Non-Agent
John F. Kennedy, common.topic.article, m.0230ccb
Eleanor Roosevelt, people.person.profession, Writer
John F. Kennedy Jr., people.person.profession, Writer
John F. Kennedy, book.author.works_written, John F. Kennedy, word for word
Profiles in Courage, freebase.valuenotation.is_reviewed, Original language
The wit and wisdom of John F. Kennedy, book.written_work.author, John F. Kennedy
Profiles in Courage, book.written_work.subjects, United States Senate
m.0b9zgjq, award.award_nomination.nominated_for, Profiles in Courage
John F. Kennedy, people.deceased_person.cause_of_death, Assassination
Let the lady hold up her head, book.written_work.author, John F. Kennedy
The Republican candidate was Richard M. Nixon., base.kwebbase.kwsentence.kwtopic, John F. Kennedy
John F. Kennedy, book.author.works_written, The burden and the glory
John F. Kennedy, book.book_subject.works, The Kennedy imprisonment
John F. Kennedy, book.book_subject.works, Jackie, Ethel, Joan
Assassination of John F. Kennedy, book.book_subject.works, Four Days in November
Profiles in Courage, book.written_work.subjects, History of the United States
John F. Kennedy, book.author.works_written, The wisdom of JFK
John F. Kennedy, book.author.works_written, The strategy of peace
Kennedy-Shriver conversation on the Peace Corps, book.written_work.author, John F. Kennedy
John F. Kennedy, people.person.education, m.0125n7tg
John F. Kennedy, book.author.works_written, Let the lady hold up her head
Peace Corps, organization.organization.founders, John F. Kennedy
lyndon baines johnson vice president to john fitzgerald kennedy, base.kwebbase.kwconnection.subject, Lyndon B. Johnson
John F. Kennedy, people.person.education, m.04kr2n0
John F. Kennedy, book.author.works_written, The faith of JFK
United States Senate, book.book_subject.works, Profiles in Courage
John F. Kennedy, word for word, common.topic.notable_types, Book
The humor of JFK, book.written_work.author, John F. Kennedy
Live by the sword, book.written_work.subjects, John F. Kennedy

Answer: Lyndon B. Johnson