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 can tell me which politician was the Provisional Governor of Cuba's Vice President? 
Knowledge Triplets: Government Office or Title, common.topic.article, m.02xlj1v
m.09rjx6w, government.government_position_held.office_holder, Charles W. Fairbanks
Office, position, or title, rdf-schema#range, Government Office or Title
Charles W. Fairbanks, people.deceased_person.date_of_death, 1918-06-04
Government Office or Title, type.type.expected_by, Title of Chief Executive
Charles W. Fairbanks, people.deceased_person.place_of_burial, Crown Hill Cemetery
m.04tn7lv, government.government_position_held.office_position_or_title, Provisional Governor of Cuba
Charles W. Fairbanks, user.narphorium.people.nndb_person.nndb_id, 257$002F000093975
Government Office or Title, freebase.type_profile.kind, Definition
Charles W. Fairbanks, people.person.gender, Male
Government Office or Title, type.type.expected_by, Offices/Positions Within the Body
Charles W. Fairbanks, people.deceased_person.place_of_death, Indianapolis
Charles W. Fairbanks, people.person.ethnicity, White people
Office, position, or title, owl#inverseOf, Office Holders
Office, position, or title, type.property.reverse_property, Office Holders
Office, position, or title, type.property.expected_type, Government Office or Title
Charles W. Fairbanks, government.us_vice_president.to_president, Theodore Roosevelt
Charles W. Fairbanks, government.us_vice_president.vice_president_number, 26
Charles W. Fairbanks, people.person.profession, Lawyer
m.04tn7lv, government.government_position_held.appointed_by, Theodore Roosevelt
m.0c1nv9y, people.marriage.spouse, Charles W. Fairbanks
m.04tn7lv, government.government_position_held.office_holder, William Howard Taft
m.04sg8dy, government.government_position_held.office_holder, Charles W. Fairbanks
Charles W. Fairbanks, people.person.spouse_s, m.0c1nv9y
Government Office or Title, type.type.expected_by, Offices
m.010qrlsw, dataworld.gardening_hint.last_referenced_by, Charles W. Fairbanks
Topic, freebase.type_profile.published, Published
Government Office or Title, type.type.properties, Office Holders
Charles W. Fairbanks, people.person.nationality, United States of America
Fairbanks, symbols.namesake.named_after, Charles W. Fairbanks
Provisional Governor of Cuba, common.topic.notable_types, Government Office or Title
Government Office or Title, type.type.expected_by, Government positions
Lawyer, people.profession.people_with_this_profession, Charles W. Fairbanks
Government Office or Title, type.type.properties, Category
Government Office or Title, type.type.expected_by, Office, Position, or Title
Government Office or Title, type.type.properties, Governmental body (if any)
Crown Hill Cemetery, people.place_of_interment.interred_here, Charles W. Fairbanks
Theodore Roosevelt, government.us_president.vice_president, Charles W. Fairbanks
Charles W. Fairbanks, government.politician.party, m.03gjgdn
Theodore Roosevelt, government.us_president.vice_president, Charles W. Fairbanks
Government Office or Title, type.type.expected_by, Office
Government Office or Title, type.type.properties, Jurisdiction
m.04tn7lv, government.government_position_held.jurisdiction_of_office, Cuba
Government Office or Title, freebase.type_profile.strict_included_types, Topic
Government Office or Title, freebase.type_profile.strict_included_types, Abstract
Government Office or Title, freebase.type_hints.included_types, Topic
Unionville Center, location.location.people_born_here, Charles W. Fairbanks
White people, people.ethnicity.people, Charles W. Fairbanks
Charles W. Fairbanks, people.person.education, m.040gk97
Charles W. Fairbanks, government.u_s_congressperson.thomas_id, F000003
Charles W. Fairbanks, people.person.date_of_birth, 1852-05-11
Provisional Governor of Cuba, common.topic.notable_for, g.1q3sfx59q
Charles W. Fairbanks, government.politician.government_positions_held, m.09rjx6w
Government Office or Title, type.type.expected_by, Office, position, or title
Charles W. Fairbanks, government.politician.government_positions_held, m.04sg8dy
m.03gjgdn, government.political_party_tenure.politician, Charles W. Fairbanks
Government Office or Title, type.type.domain, Government
Provisional Governor of Cuba, government.government_office_or_title.office_holders, m.04tn7lv
Government Office or Title, freebase.type_profile.strict_included_types, Non-Agent
William Howard Taft, government.politician.government_positions_held, m.04tn7lv
Provisional Governor of Cuba, government.government_office_or_title.office_holders, m.04tn7lv
Theodore Roosevelt, government.political_appointer.appointees, m.04tn7lv
m.04tn7lv, government.political_appointer.appointees, Theodore Roosevelt
m.040gk97, education.education.student, Charles W. Fairbanks
m.04tn7lv, government.government_position_held.basic_title, Governor
Charles W. Fairbanks, symbols.name_source.namesakes, Fairbanks
Charles W. Fairbanks, people.person.place_of_birth, Unionville Center
Government Office or Title, freebase.type_profile.published, Published
Cuba, government.governmental_jurisdiction.governing_officials, m.04tn7lv

Answer: Charles W. Fairbanks