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 are the parents of the speaker at March on Washington for Jobs and Freedom? 
Knowledge Triplets: Washington, D.C., common.topic.webpage, m.09ww86j
African Americans' rights, base.activism.activism_issue.activists, Yolanda King
March on Washington for Jobs and Freedom, common.topic.notable_types, Event
Martin Luther King, Jr., people.person.parents, Alberta Williams King
Washington, D.C., common.topic.webpage, m.09wgfvd
March on Washington for Jobs and Freedom, event.public_speaking_event.speech_presentation_discussion, m.05r7ddy
Washington, D.C., common.topic.webpage, m.09xgzpm
The Washington Examiner, book.newspaper.circulation_areas, Washington, D.C.
Independence Day, film.film.country, United States of America
Washington, D.C., book.book_subject.works, The Place to Be: Washington, CBS, and the Glory Days of Television News
March on Washington edit, common.image.appears_in_topic_gallery, Protest
Washington, D.C., fictional_universe.fictional_setting.fictional_characters_born_here, Olivia Willis-Henshall
Washington, D.C., book.book_subject.works, Reporting from Washington: The History of the Washington Press Corps
Washington, D.C., common.topic.webpage, m.09ygwvy
Free at last, free at lastThank God almightyWe are free at last, media_common.quotation.author, Martin Luther King, Jr.
m.0b461js, common.webpage.topic, Washington, D.C.
Washington, D.C., location.citytown.postal_codes, 20501
Washington, D.C., location.location.containedby, Area code 202
Washington, D.C., location.location.partiallycontains, m.0wg9d6r
Washington, D.C., common.topic.webpage, m.0b46w3f
Washington, D.C., book.book_subject.works, Washington: The Making of the American Capital
Washington, D.C., common.topic.webpage, m.0b47vps
The White House, book.written_work.subjects, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09y7j5b
James William Randolph, people.person.children, Asa Philip Randolph
Washington, D.C., common.topic.webpage, m.09wnpfc
m.09wxbv8, common.webpage.topic, Washington, D.C.
Washington, D.C., government.governmental_jurisdiction.government_bodies, Council of the District of Columbia
March on Washington edit, common.image.appears_in_topic_gallery, Crowd manipulation
Washington, D.C., common.topic.webpage, m.09ymy8g
Washington, D.C., military.military_post.people_posted_here, m.0hmw81l
Washington, D.C., fictional_universe.fictional_setting.fictional_characters_born_here, Shannon Hamilton
Arthur M. Sackler Gallery, location.location.containedby, Washington, D.C.
Text and Meaning in Martin Luther King Jr.'s I Have a Dream Speech, book.written_work.subjects, March on Washington for Jobs and Freedom
March on Washington for Jobs and Freedom, time.event.locations, Washington, D.C.
Washington, D.C., location.statistical_region.religions, m.0440628
m.09x0xww, common.webpage.topic, Washington, D.C.
Demonstrator at the March on Washington for Jobs and Freedom, common.image.size, m.0kpn1h
Washington, D.C., common.topic.webpage, m.09wz935
Washington, D.C., common.topic.webpage, m.0b483wk
Washington, D.C., common.topic.webpage, m.09yv3bb
m.011dy37j, government.government_position_held.jurisdiction_of_office, Washington, D.C.
m.0k04p2s, event.speech_or_presentation.speaker_s, Martin Luther King, Jr.
m.09wgfvd, common.webpage.topic, Washington, D.C.
m.09w_5mm, common.webpage.topic, Washington, D.C.
m.09yxd3x, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09wtljc
Washington, D.C., base.biblioness.bibs_topic.subsumes, Washington
Washington, D.C., common.topic.webpage, m.09yv333
Martin Luther King, Jr., people.person.quotations, Peace is not merely a distant goal that we seek, but a means by which we arrive at that goal.
m.05ndb6r, base.aubreymaturin.place_mention.place, Washington, D.C.
Mr. Smith Goes to Washington, film.film.country, United States of America
Martin Luther King, Jr., people.person.children, Dexter Scott King
March on Washington edit, common.image.size, m.03sd058
m.09y648v, common.webpage.topic, Washington, D.C.
m.09yv333, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09x87fl
Washington, D.C., film.film_location.featured_in_films, The Audacity of Democracy
m.05rr7v2, event.speech_or_presentation.speaker_s, Martin Luther King, Jr.
Washington, D.C., common.topic.webpage, m.09wxbv8
Rough Edges: My Unlikely Road from Welfare to Washington, book.written_work.subjects, Washington, D.C.
African Americans' rights, base.activism.activism_issue.parent_issue, Civil and political rights
m.09xt4dl, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09wxc62
m.0b46w3f, common.webpage.topic, Washington, D.C.
Washington, D.C., film.film_location.featured_in_films, Mr. Smith Goes to Washington
m.0b45s41, common.webpage.topic, Washington, D.C.
Martin Luther King, Jr., music.featured_artist.recordings, Freedom Dub
Civil rights activist, people.profession.people_with_this_profession, Martin Luther King, Jr.
Shirley Sherrod, people.person.profession, Civil rights activist
m.09x0nqz, common.webpage.topic, Washington, D.C.
Independence Day, film.film.featured_film_locations, Washington, D.C.
m.09ww9zq, common.webpage.topic, Washington, D.C.
Washington, D.C., film.film_location.featured_in_films, Minority Report
m.09wz935, common.webpage.topic, Washington, D.C.
m.09wprzj, common.webpage.topic, Washington, D.C.
Martin Luther King, Jr., people.person.parents, Martin Luther King, Sr.
March on Washington for Jobs and Freedom, base.schemastaging.context_name.pronunciation, g.125_kn_d0
Washington, book.written_work.subjects, United States of America
m.09yy4nr, common.webpage.topic, Washington, D.C.
Washington, D.C., base.aubreymaturin.place.mentions, m.05ndb6r
Demonstration, base.fight.protest_type.protests_of_this_type, March on Washington for Jobs and Freedom
Washington, D.C., base.biblioness.bibs_topic.subsumes, Washington, D.C.
Racism, base.fight.subject_of_protest.protests_about_this, March on Washington for Jobs and Freedom
m.09y72m2, common.webpage.topic, Washington, D.C.
m.09w5q9t, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09yv1cr
m.05r7ddy, event.speech_or_presentation.speaker_s, Martin Luther King, Jr.
m.09xsklq, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09y72m2
Washington, D.C., symbols.namesake.named_after, George Washington
Washington, D.C., location.location.adjoin_s, m.02thsh5
m.09y3bzg, common.webpage.topic, Washington, D.C.
m.09xgzpm, common.webpage.topic, Washington, D.C.
m.04kk17w, government.government_position_held.jurisdiction_of_office, Washington, D.C.
Washington, D.C., book.book_subject.works, The White House
m.09y7mpw, common.webpage.topic, Washington, D.C.
March on Washington for Jobs and Freedom, base.fight.protester.involved_in_protest, Martin Luther King, Jr.
Martin Luther King, Jr., people.person.children, Yolanda King
Washington, D.C., periodicals.newspaper_circulation_area.newspapers, National Intelligencer
Washington, D.C., location.administrative_division.country, United States of America
March on Washington for Jobs and Freedom, base.fight.protest.protest_type, Demonstration
m.09ybw8r, common.webpage.topic, Washington, D.C.
m.09xnm1z, common.webpage.topic, Washington, D.C.
Civil rights activist, people.profession.people_with_this_profession, Shirley Sherrod
Washington, D.C., government.governmental_jurisdiction.agencies, DC Commission on the Arts and Humanities
Black Liberation, base.activism.activism_issue.activists, Martin Luther King, Jr.
March on Washington for Jobs and Freedom, common.topic.image, March on Washington edit
m.09ygwvy, common.webpage.topic, Washington, D.C.
Martin Luther King, Jr., people.person.parents, Alberta Williams King
Washington, D.C., common.topic.webpage, m.09w5stf
Washington, D.C., film.film_location.featured_in_films, Live Free or Die Hard
March on Washington for Jobs and Freedom, base.fight.protest.leaders_or_notable_protesters, Martin Luther King, Jr.
m.09wxc62, common.webpage.topic, Washington, D.C.
Washington, D.C., government.governmental_jurisdiction.governing_officials, m.011dxnpc
Washington, D.C., common.topic.webpage, m.09x5h2g
Martin Luther King, Jr., event.public_speaker.speeches_or_presentations, m.05r7ddy
m.09ww86j, common.webpage.topic, Washington, D.C.
m.0b485qq, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09y3bzg
Washington, D.C., film.film_location.featured_in_films, The American President
Washington, D.C., military.military_post.people_posted_here, m.059gvpc
m.09x87fl, common.webpage.topic, Washington, D.C.
m.051kbf_, common.webpage.topic, Washington, D.C.
m.09x3434, common.webpage.topic, Washington, D.C.
Washington, D.C., business.employer.employees, g.11bc80yh95
Asa Philip Randolph, base.activism.activist.area_of_activism, Labor rights
Washington, D.C., common.topic.webpage, m.09wwf4k
Washington, D.C., common.topic.webpage, m.09w286z
Washington, D.C., common.topic.webpage, m.09y7d4z
Washington, D.C., common.topic.webpage, m.09xsklq
Washington, D.C., common.topic.webpage, m.09y52b9
Washington, D.C., common.topic.webpage, m.0b46d5q
Washington, D.C., common.topic.webpage, m.09y7mpw
Washington, D.C., location.statistical_region.religions, m.044059d
Martin Luther King, Jr., people.person.quotations, Freedom is never voluntarily given by the oppressor; it must be demanded by the oppressed.
Washington, D.C., government.governmental_jurisdiction.governing_officials, m.0jtqj5c
Washington, D.C., film.film_location.featured_in_films, 2012
Washington, D.C., common.topic.webpage, m.09yv_jp
Washington, book.written_work.subjects, Washington, D.C.
Washington, D.C., government.governmental_jurisdiction.governing_officials, m.0k1bj74
Washington, D.C., base.aareas.schema.administrative_area.administrative_parent, United States of America
Martin Luther King, Jr., event.public_speaker.speeches_or_presentations, m.0k04p2s
Washington, D.C., common.topic.article, m.0rh6w
Washington, D.C., common.topic.webpage, m.0b47m7q
March on Washington for Jobs and Freedom, book.book_subject.works, Text and Meaning in Martin Luther King Jr.'s I Have a Dream Speech
Civil rights activist, people.profession.people_with_this_profession, Hosea Williams
Washington, D.C., government.governmental_jurisdiction.official_symbols, m.04st83s
Washington, D.C., base.arthist.helynevek.intezmeny, National Gallery of Art
Washington, D.C., location.statistical_region.religions, m.0440636
Washington, D.C., location.location.adjoin_s, m.0h7y837
m.0b46l1j, common.webpage.topic, Washington, D.C.
m.09x4mtb, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09wzh3l
m.09x63f9, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.051kbf_
Washington, D.C., common.topic.webpage, m.09ylbnw
Washington, D.C., common.topic.webpage, m.03ky1_5
m.09xjbn8, common.webpage.topic, Washington, D.C.
Martin Luther King, Jr., people.person.quotations, Free at last, free at lastThank God almightyWe are free at last
Washington, D.C., government.governmental_jurisdiction.governing_officials, m.04kk17w
Washington, D.C., common.topic.webpage, m.09wtbq0
Washington, D.C., location.location.containedby, South Atlantic States
m.09y7d4z, common.webpage.topic, Washington, D.C.
m.09w5stf, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.image, WashMonument WhiteHouse
Washington, D.C., government.governmental_jurisdiction.governing_officials, m.04kk0j9
Washington, D.C., common.topic.webpage, m.09yxd3x
m.09x3wn0, common.webpage.topic, Washington, D.C.
Washington, D.C., government.governmental_jurisdiction.governing_officials, m.0k1bj5t
Washington, D.C., common.topic.webpage, m.09xjbn8
m.09wbm5c, common.webpage.topic, Washington, D.C.
Washington, base.biblioness.bibs_topic.is_really, Washington, D.C.
The Audacity of Democracy, film.film.featured_film_locations, Washington, D.C.
Washington, D.C., common.topic.image, DCmontage2
Washington, D.C., common.topic.webpage, m.09x874c
m.0b47vps, common.webpage.topic, Washington, D.C.
George Washington, freebase.valuenotation.is_reviewed, Place of birth
The Hill, book.newspaper.circulation_areas, Washington, D.C.
March on Washington for Jobs and Freedom, base.fight.protest.subject_of_protest, Racism
Washington, D.C., common.topic.webpage, m.09xj8t0
m.0b480l4, common.webpage.topic, Washington, D.C.
m.0b48ndq, common.webpage.topic, Washington, D.C.
Asa Philip Randolph, base.fight.protester.involved_in_protest, March on Washington for Jobs and Freedom
Washington, D.C., common.topic.webpage, m.09x3434
m.09ymy8g, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09w_pcd
Washington, D.C., location.location.partiallycontains, m.0wg9d7d
Washington, D.C., common.topic.webpage, m.09ww9zq
March on Washington for Jobs and Freedom, common.topic.image, Demonstrator at the March on Washington for Jobs and Freedom
Washington, D.C., common.topic.webpage, m.0b475rg
March on Washington for Jobs and Freedom, base.argumentmaps.motivated_event.motive, Racism
Washington, D.C., common.topic.webpage, m.0b461js
Martin Luther King, Jr., base.fight.protester.involved_in_protest, March on Washington for Jobs and Freedom
m.09xxpcc, common.webpage.topic, Washington, D.C.
m.09w_pcd, common.webpage.topic, Washington, D.C.
The Washington Century: Three Families and the Shaping of the Nation's Capital, book.written_work.subjects, Washington, D.C.
Washington, D.C., location.location.containedby, United States of America
George Washington, base.honouriam.honoured_person.honoured_by, Americans
Washington, D.C., location.location.containedby, Contiguous United States
m.09wtljc, common.webpage.topic, Washington, D.C.
m.09y7j5b, common.webpage.topic, Washington, D.C.
Washington, D.C., film.film_location.featured_in_films, Born Yesterday
Freedom is never voluntarily given by the oppressor; it must be demanded by the oppressed., media_common.quotation.author, Martin Luther King, Jr.
Washington, D.C., common.topic.webpage, m.09wz769
Washington, D.C., common.topic.webpage, m.09ybw8r
Washington, D.C., common.topic.webpage, m.09y4rw5
Asa Philip Randolph, people.person.parents, James William Randolph
Washington, D.C., government.governmental_jurisdiction.agencies, Advisory Neighborhood Commission
m.0b46d5q, common.webpage.topic, Washington, D.C.
Washington, D.C., base.biblioness.bibs_topic.is_really, Washington, D.C.
m.09y52b9, common.webpage.topic, Washington, D.C.
Parents, owl#inverseOf, Children
Washington, D.C., common.topic.webpage, m.09x3s3r
Washington, D.C., business.employer.employees, m.012n3v3r
Washington, D.C., common.topic.webpage, m.09x4mtb
m.09y4rw5, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09wprzj
Bernice King, people.person.parents, Martin Luther King, Jr.
Washington, D.C., film.film_location.featured_in_films, Advise & Consent
Yolanda King, people.person.parents, Martin Luther King, Jr.
Washington, D.C., location.location.partiallycontains, m.0wg9d6x
Washington, D.C., common.topic.webpage, m.0b485qq
Washington, D.C., location.statistical_region.religions, m.04406nr
Washington, D.C., common.topic.webpage, m.09xnpf9
WashMonument WhiteHouse, common.image.appears_in_topic_gallery, Washington, D.C.
Abraham Lincoln, freebase.valuenotation.is_reviewed, Parents
National Intelligencer, book.newspaper.circulation_areas, Washington, D.C.
Washington, D.C., location.location.adjoin_s, m.02tjggz
m.0b46d3j, common.webpage.topic, Washington, D.C.
Washington, D.C., base.biblioness.bibs_location.country, United States of America
m.0b49774, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.0b46l1j
m.09x26t9, common.webpage.topic, Washington, D.C.
m.09ys11t, common.webpage.topic, Washington, D.C.
Washington, D.C., film.film_location.featured_in_films, Independence Day
Washington, D.C., government.governmental_jurisdiction.governing_officials, m.011dy37j
Stride toward freedom; the Montgomery story, book.written_work.author, Martin Luther King, Jr.
Martin Luther King, Jr., book.author.works_written, Stride toward freedom; the Montgomery story
Washington, D.C., common.topic.webpage, m.09xnm1z
m.09wnpfc, common.webpage.topic, Washington, D.C.
m.012n3v3r, business.employment_tenure.company, Washington, D.C.
Washington, D.C., government.governmental_jurisdiction.official_symbols, m.04stpz5
March on Washington for Jobs and Freedom, location.location.geolocation, m.01226bjv
Washington, D.C., common.topic.webpage, m.09x63f9
Washington, D.C., common.topic.webpage, m.09x0xww
Washington, D.C., location.location.adjoin_s, m.046ct19
Washington, D.C., book.book_subject.works, Washington
Washington, D.C., fictional_universe.fictional_setting.fictional_characters_born_here, Kevin Hamilton
m.09xj8t0, common.webpage.topic, Washington, D.C.
Leadership Conference on Civil and Human Rights, organization.organization.founders, Asa Philip Randolph
Washington, D.C., film.film_location.featured_in_films, Head of State
Washington, D.C., common.topic.webpage, m.0b497tz
m.09ylbnw, common.webpage.topic, Washington, D.C.
Washington, D.C., book.book_subject.works, The Washington Century: Three Families and the Shaping of the Nation's Capital
m.05r7ddy, event.speech_or_presentation.event, March on Washington for Jobs and Freedom
m.09w28s0, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09ys11t
Washington, D.C., location.location.adjoin_s, m.0h7y9bl
m.09yc19r, common.webpage.topic, Washington, D.C.
Asa Philip Randolph, organization.organization_founder.organizations_founded, Leadership Conference on Civil and Human Rights
Washington, D.C., book.book_subject.works, Countdown of 10 Amazing Moments from the Year 2011: No. 4 the Martin Luther King Jr. Memorial
Washington, D.C., common.topic.webpage, m.09xt4dl
Washington, D.C., common.topic.webpage, m.09x1q9t
Washington, D.C., common.topic.webpage, m.09x26t9
Text and Meaning in Martin Luther King Jr.'s I Have a Dream Speech, book.written_work.subjects, 50th Anniversary March on Washington D.C.
Washington, D.C., common.topic.webpage, m.09x2nhc
Zaman, book.newspaper.circulation_areas, Washington, D.C.
Stride toward freedom; the Montgomery story, award.award_winning_work.awards_won, m.07yf8h6
March on Washington for Jobs and Freedom, common.topic.notable_for, g.1256772br
Washington, D.C., common.topic.webpage, m.09yc19r
m.09x5h2g, common.webpage.topic, Washington, D.C.
m.09yv1cr, common.webpage.topic, Washington, D.C.
m.09yv3fq, common.webpage.topic, Washington, D.C.
The Spotlight, book.newspaper.circulation_areas, Washington, D.C.
George Washington, freebase.valuenotation.is_reviewed, Date of birth
Washington, D.C., common.topic.webpage, m.09w5q9t
m.09yv_jp, common.webpage.topic, Washington, D.C.
m.07yf8h6, award.award_honor.honored_for, Stride toward freedom; the Montgomery story
Washington, D.C., common.topic.notable_for, g.1256ktvlv
Hosea Williams, people.person.profession, Civil rights activist
Demonstrator at the March on Washington for Jobs and Freedom, common.image.appears_in_topic_gallery, March on Washington for Jobs and Freedom
20330, location.location.containedby, Washington, D.C.
m.09wzh3l, common.webpage.topic, Washington, D.C.
m.09wwf4k, common.webpage.topic, Washington, D.C.
Martin Luther King III, people.person.parents, Martin Luther King, Jr.
Washington, D.C., common.topic.webpage, m.09x3wn0
Dexter Scott King, people.person.parents, Martin Luther King, Jr.
Martin Luther King, Jr., people.person.children, Martin Luther King, Sr.
m.09wz769, common.webpage.topic, Washington, D.C.
m.0b46xky, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09w28s0
m.09x874c, common.webpage.topic, Washington, D.C.
m.0b497tz, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.0b48ndq
Martin Luther King, Jr., freebase.valuenotation.is_reviewed, Parents
m.0b6rt_s, common.webpage.topic, Washington, D.C.
m.09x6zyf, common.webpage.topic, Washington, D.C.
Young D.C., book.newspaper.circulation_areas, Washington, D.C.
m.09yv3bb, common.webpage.topic, Washington, D.C.
Washington Monument, symbols.namesake.named_after, George Washington
Anti-Apartheid, base.activism.activism_issue.parent_issue, Civil and political rights
Washington, D.C., government.governmental_jurisdiction.governing_officials, m.0nf4gxq
Washington, D.C., common.topic.webpage, m.0b46d3j
Freedom Dub, music.recording.featured_artists, Martin Luther King, Jr.
Washington, D.C., common.topic.webpage, m.09yv3fq
Asa Philip Randolph, people.person.parents, Elizabeth Robinson Randolph
Washington, D.C., common.topic.webpage, m.09xxpcc
Washington, D.C., common.topic.webpage, m.09x6zyf
Washington: The Making of the American Capital, book.written_work.subjects, Washington, D.C.
20330-1670, location.location.containedby, Washington, D.C.
m.09yf8kr, common.webpage.topic, Washington, D.C.
The Place to Be: Washington, CBS, and the Glory Days of Television News, book.written_work.subjects, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09yf8kr
DCmontage2, common.image.appears_in_topic_gallery, Washington, D.C.
m.09x2nhc, common.webpage.topic, Washington, D.C.
m.09xnpf9, common.webpage.topic, Washington, D.C.
m.0b475rg, common.webpage.topic, Washington, D.C.
March on Washington edit, common.image.appears_in_topic_gallery, March on Washington for Jobs and Freedom
Washington, D.C., film.film_location.featured_in_films, All the President's Men
Washington, D.C., common.topic.webpage, m.09yy4nr
Washington, D.C., common.topic.webpage, m.09wbm5c
Washington, D.C., common.topic.webpage, m.0b46xky
Martin Luther King, Jr., people.person.profession, Civil rights activist
Washington, D.C., common.topic.webpage, m.0b45s41
Washington, D.C., common.topic.webpage, m.0b480l4
Martin Luther King, Jr., people.person.children, Bernice King
m.09wtbq0, common.webpage.topic, Washington, D.C.
Washington, D.C., book.book_subject.works, Rough Edges: My Unlikely Road from Welfare to Washington
Washington, D.C., common.topic.webpage, m.09x0nqz
Washington, D.C., common.topic.webpage, m.09w_5mm
Mary McLeod Bethune Council House National Historic Site, base.usnationalparks.us_national_park.state, Washington, D.C.
March on Washington for Jobs and Freedom, common.topic.article, m.01lt14
m.09x3svm, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09y60ch
Martin Luther King, Jr., base.activism.activist.area_of_activism, Black Liberation
m.09w286z, common.webpage.topic, Washington, D.C.
m.09y60ch, common.webpage.topic, Washington, D.C.
m.09x1q9t, common.webpage.topic, Washington, D.C.
March on Washington for Jobs and Freedom, base.fight.protest.leaders_or_notable_protesters, Asa Philip Randolph
Washington, D.C., common.topic.webpage, m.0b47b2n
Martin Luther King, Jr., event.public_speaker.speeches_or_presentations, m.05rr7v2
George Washington, freebase.valuenotation.is_reviewed, Spouse (or domestic partner)
Washington, D.C., military.military_post.people_posted_here, m.0c0719f
m.012n7bf5, business.employment_tenure.company, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09x3svm
m.04kk0j9, government.government_position_held.jurisdiction_of_office, Washington, D.C.
George Washington, people.person.gender, Male
Martin Luther King, Jr., people.person.quotations, Injustice anywhere is a threat to justice everywhere.
m.03ky1_5, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.09y648v
m.09x3s3r, common.webpage.topic, Washington, D.C.
Washington, D.C., common.topic.webpage, m.0b49774
Washington, D.C., common.topic.webpage, m.0b6rt_s
m.0b483wk, common.webpage.topic, Washington, D.C.
The Washington Star, book.newspaper.circulation_areas, Washington, D.C.
m.0b47b2n, common.webpage.topic, Washington, D.C.
Washington, D.C., government.governmental_jurisdiction.governing_officials, m.05lgv9c
Washington, D.C., business.employer.employees, m.012n7bf5
March on Washington edit, common.image.appears_in_topic_gallery, :Washington, D.C.
A protest march by ethnic minority communities in Glasgow, Scotland on 25 June 2006 against racism., common.image.appears_in_topic_gallery, Racism
m.0b47m7q, common.webpage.topic, Washington, D.C.

Answer: Alberta Williams King
Martin Luther King, Sr.