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: In what country is the Mekong River located and is also the subject of the movie Regret to Reform? 
Knowledge Triplets: Vietnam, Cambodia, Laos & the Greater Mekong, book.written_work.subjects, Mekong
Regret to Inform, film.film.subjects, Vietnam War
Ma River, location.location.containedby, Asia
Mekong, location.location.partially_contained_by, m.0wg9b22
Earth and the American Dream, film.film.country, United States of America
Laos, location.country.form_of_government, Communist state
Hong Kong, location.administrative_division.country, China
Cambodia, location.location.containedby, Asia
Mekong, common.topic.article, m.0j0gh
Mekong, location.location.partially_containedby, Cambodia
To Chris Marker, An Unsent Letter, film.film.country, United States of America
Salween River, location.location.partially_containedby, Thailand
Mekong Delta, location.location.contains, Long An Province
Garçon plongeant dans le Mékong au Cambodge, common.image.size, m.0kjmvg
Vietnam, location.location.partially_contains, Nam Sam River
Cambodia, book.book_subject.works, Vietnam, Cambodia, Laos & the Greater Mekong
Best Kept Secret, film.film.country, United States of America
Insider Journeys, common.topic.subject_of, Laos
Thailand, location.location.containedby, Southeast Asia
Sekong Province, base.aareas.schema.administrative_area.administrative_area_type, Province of Laos
Hong Kong, base.biblioness.bibs_location.country, China
Laos, location.country.administrative_divisions, Phongsaly Province
Thailand, location.country.form_of_government, Constitutional monarchy
Biographical film, book.book_subject.works, Country Fair
Regret to Inform, film.film.subjects, Vietnam
Laos, location.location.containedby, Asia
Deadly Dreams, film.film.country, United States of America
Regret to Inform, film.film.cinematography, Daniel Reeves
Laos, location.location.partiallycontains, m.0wg9b22
Mekong, geography.body_of_water.bridges, Prek Tamak Bridge
Center for Asian American Media, film.production_company.films, Regret to Inform
Laos, common.topic.notable_types, Country
m.0wg9kg9, location.partial_containment_relationship.partially_contains, Mekong
Thailand, location.location.adjoin_s, m.046cswz
Thailand, location.location.adjoin_s, m.046cswt
Quadrangle, film.film.country, United States of America
Mekong Delta, location.administrative_division.country, Vietnam
The Journalist and the Jihadi, film.film.country, United States of America
Black River, location.location.containedby, Asia
An Giang Province, location.location.containedby, Mekong Delta
Symphony Of The Soil, film.film.country, United Kingdom
Southeast Asia, location.location.contains, Cambodia
Laos, location.location.partially_contains, Lam Ta Klong River
Mekong, geography.body_of_water.bridges, Mỹ Thuận Bridge
Longford, film.film.country, United States of America
Laos, location.location.partially_contains, Ma River
Nam Sam River, location.location.partially_containedby, Laos
Mekong Delta, travel.travel_destination.tour_operators, Adventures by Disney - Cambodia, Vietnam & Laos Vacation
Soc Trang Province, location.location.containedby, Mekong Delta
The Journalist and the Jihadi, film.film.country, India
Mekong, geography.body_of_water.bridges, Rạch Miễu Bridge
Vietnam, location.country.administrative_divisions, Mekong Delta
Thailand, location.location.partially_contains, Mekong
Salween River, location.location.containedby, Asia
China, location.location.partially_contains, Black River
Saigon River, location.location.containedby, Asia
Mekong, location.location.partially_contained_by, m.0wg9kc6
Vietnam, Cambodia, Laos & the Greater Mekong, book.written_work.author, Lonely Planet
Forgotten Fires, film.film.country, United States of America
Laos, location.location.partially_contains, Phu Xai Lai Leng
Lam Ta Klong River, location.location.partially_containedby, Thailand
Black River, location.location.partially_containedby, Vietnam
Red River, location.location.partially_containedby, Vietnam
Round Eyes in the Middle Kingdom, film.film.country, United States of America
Laos, location.country.administrative_divisions, Oudomxay Province
Regret to Inform, film.film.release_date_s, m.0bqs8vj
Cambodia, location.location.partially_contains, Srepok River
Regret to Inform, award.award_winning_work.awards_won, m.0nbmswk
Biographical film, book.book_subject.works, Fanon
m.0h108wn, film.performance.film, Regret to Inform
Mekong, book.book_subject.works, Vietnam, Cambodia, Laos & the Greater Mekong
Regret to Inform, common.topic.article, m.0bx8sjn
Southeast Asia, location.location.contains, Philippines
Nam Sam River, location.location.containedby, Asia
Biographical film, book.book_subject.works, Or Give Me Death
Regret to Inform, award.award_nominated_work.award_nominations, m.0b7kyw7
Srepok River, location.location.containedby, Asia
Mekong, base.schemastaging.context_name.pronunciation, g.125_qw4pr
Laos, location.location.partially_contains, Mekong
City of Borders, film.film.country, Israel
Lam Ta Klong River, geography.river.basin_countries, Thailand
Sekong Province, base.aareas.schema.administrative_area.administrative_parent, Laos
Insider Journeys, common.topic.subject_of, Cambodia
Black River, geography.river.basin_countries, Vietnam
One, film.film.country, United States of America
Mekong, base.mystery.cryptid_observation_location.cryptid_s_occurring_here, Nāga
Friendly Fire, film.film.subjects, Vietnam War
Cambodia, book.book_subject.works, Moon Handbooks
Lucy Massie Phenix, film.editor.film, Regret to Inform
Mekong, common.topic.notable_types, River
Bassac River, location.location.containedby, Asia
Laos, location.country.capital, Vientiane
Sekong Province, location.location.containedby, Laos
Regret to Inform, film.film.written_by, Barbara Sonneborn
Into the Wild, film.film.subjects, Biographical film
Mekong Delta, location.location.contains, Kiên Giang Province
Arteholic, common.topic.subjects, Documentary film
Laos, location.country.administrative_divisions, Xiangkhouang Province
Black River, location.location.partially_containedby, China
The Big Picture: Rethinking Dyslexia, film.film.country, United States of America
Nam Sam River, location.location.partially_containedby, Vietnam
Biographical film, book.book_subject.works, This Vast Land
Tien Giang Province, location.location.containedby, Mekong Delta
Documentary film, common.topic.subject_of, Lermontov
Mekong, geography.river.basin_countries, Thailand
Southeast Asia, location.location.contains, Myanmar
Jenny's War, film.film.country, United Kingdom
Barbara Sonneborn, film.director.film, Regret to Inform
Hong Kong, location.country.official_language, English Language
Regret to Inform, film.film.produced_by, Lisa Heller
Regret to Inform, common.topic.notable_for, g.125cqrpz0
Kong River, geography.river.basin_countries, Cambodia
Saigon River, geography.river.basin_countries, Vietnam
Daniel Reeves, film.cinematographer.film, Regret to Inform
Kong River, geography.river.basin_countries, Laos
The Law in These Parts, film.film.country, Israel
Into the Wild, film.film.country, United States of America
Cambodia, location.location.partially_contains, Tonlé San
Regret to Inform, film.film.music, Todd Boekelheide
Vietnam, Cambodia, Laos & the Greater Mekong, book.written_work.subjects, Travel
Barbara Sonneborn, film.writer.film, Regret to Inform
m.05v840d, award.award_honor.honored_for, Regret to Inform
Regret to Inform, film.film.language, English Language
Regret to Inform, film.film.executive_produced_by, Janet Cole
Shot Through the Heart, film.film.country, United States of America
Hong Kong, location.country.languages_spoken, English Language
Regret to Inform, film.film.production_companies, American Documentary, Inc.
Thailand, location.location.partially_contains, Lam Ta Klong River
Laos, common.topic.subjects, Insider Journeys
Biographical film, book.book_subject.works, Audubon
Mekong, location.location.partially_contained_by, m.0wg95k3
Vietnam, location.location.partially_contains, Srepok River
51 Birch Street, film.film.country, United States of America
American Documentary, Inc., film.production_company.films, Regret to Inform
Thailand, location.location.partially_contains, Phou Khe
Myanmar, location.location.partially_contains, Salween River
Bassac River, geography.river.origin, Mekong
Mekong, location.location.partially_containedby, Thailand
My Country, My Country, film.film.executive_produced_by, Cara Mertes
China, location.location.partially_contains, Mekong
Bye Bye Now, film.film.subjects, Documentary film
Lisa Heller, film.producer.film, Regret to Inform
Laos, location.location.adjoin_s, m.046cswt
China, location.country.form_of_government, Socialist state
Mekong, geography.body_of_water.bridges, Thai–Lao Friendship Bridge
Bassac River, location.location.partially_containedby, Cambodia
Cambodia, location.country.administrative_divisions, Oddar Meanchey Province
Mekong, location.location.partially_contained_by, m.0wg9mf3
Cambodia, location.location.events, Operation Shed Light
Run for Your Life, film.film.country, United States of America
Soft Vengeance: Albie Sachs and the New South Africa, film.film.country, United States of America
Mine, film.film.country, United States of America
Laos, location.location.partially_contains, Shiceng Dashan
Friendly Fire, film.film.country, United States of America
Paragraph 175, film.film.country, United States of America
Ma River, location.location.partially_containedby, Laos
Regret to Inform, film.film.produced_by, Cara Mertes
Khone Phapheng Falls, location.location.containedby, Mekong
Biographical film, book.book_subject.works, The First Four Years
m.052hpbq, film.film_cut.film, Regret to Inform
Thailand, location.location.partially_contains, Phu Soi Dao
Kingdom of Laos, location.country.capital, Vientiane
Vietnam, location.location.partially_contains, Black River
Kong River, location.location.partially_containedby, Cambodia
A Culture of Silence, film.film.country, United States of America
Thailand, location.country.form_of_government, Unitary state
Regret to Inform, media_common.netflix_title.netflix_genres, Film & Television History
Laos, book.book_subject.works, Moon Handbooks
Mekong, location.location.contains, Khone Phapheng Falls
Mekong Delta, location.location.contains, An Giang Province
Mỹ Thuận Bridge, transportation.bridge.body_of_water_spanned, Mekong
Mekong, location.location.partially_containedby, Vietnam
Tokyo Waka, film.film.country, Japan
Laos, book.book_subject.works, Vietnam, Cambodia, Laos & the Greater Mekong
The Last Englishman, film.film.country, United Kingdom
Biographical film, film.film_subject.films, Into the Wild
The Journalist and the Jihadi, film.film.country, United Kingdom
Mekong Delta, location.location.contains, Soc Trang Province
Laos, location.country.administrative_divisions, Bolikhamsai Province
Regret to Inform, media_common.netflix_title.netflix_genres, Military Documentaries
Kingdom of Laos, location.country.capital, Luang Prabang
Red River, geography.river.basin_countries, China
Documentary film, common.topic.subjects, Eugenio Polgovsky
Laos, location.location.partially_contains, Sepon River
Mekong, common.topic.webpage, m.0b481ts
Bến Tre Province, location.location.containedby, Mekong Delta
Thailand, location.location.partiallycontains, m.0wg9kc6
Thailand, location.location.partially_contains, Doi Phi Pan Nam
Laos, location.location.containedby, Southeast Asia
Maze, film.film.country, United States of America
Regret to Inform, film.film.genre, Black-and-white
Regret to Inform, film.film.subjects, Vietnam
Janet Cole, film.producer.film, Regret to Inform
Sepon River, location.location.partially_containedby, Laos
Mekong, geography.river.cities, Nong Khai
Regret to Inform, film.film.cinematography, Nancy Schiesari
Laos, base.aareas.schema.administrative_area.administrative_children, Sekong Province
Laos, location.location.partially_contains, Cả River
China, location.location.partially_contains, Shiceng Dashan
Regret to Inform, award.award_nominated_work.award_nominations, m.0pd77g5
Kong River, location.location.partially_containedby, Vietnam
The Blood of Heroes, film.film.country, United States of America
Cambodia, location.country.capital, Phnom Penh
Southeast Asia, location.location.contains, Laos
Mekong Delta, travel.travel_destination.tourist_attractions, Adventures by Disney - Cambodia, Vietnam & Laos Vacation
Adventures by Disney - Cambodia, Vietnam & Laos Vacation, travel.tourist_attraction.near_travel_destination, Mekong
Shot Through the Heart, film.film.country, Canada
Laos, location.country.administrative_divisions, Houaphanh Province
Bassac River, location.location.partially_containedby, Vietnam
m.0wg95k3, location.partial_containment_relationship.partially_contains, Mekong
Mekong, location.location.partially_containedby, Laos
Sepon River, location.location.partially_containedby, Vietnam
China, location.location.partiallycontains, m.0wg9553
Last Letters Home, film.film.country, United States of America
Basta, film.film.country, United States of America
Cả River, location.location.partially_containedby, Vietnam
Red River, location.location.containedby, Asia
Brunei, location.country.form_of_government, Unitary state
India, location.location.containedby, Asia
Shot Through the Heart, film.film.country, United Kingdom
Nam Sam River, geography.river.basin_countries, Vietnam
Butte, America, film.film.country, United States of America
Regret to Inform, film.film.genre, Indie film
Prek Tamak Bridge, transportation.bridge.body_of_water_spanned, Mekong
China, location.location.adjoin_s, m.043w21d
m.0n5c9r6, book.contents.work, Vietnam, Cambodia, Laos & the Greater Mekong
Nancy Schiesari, film.cinematographer.film, Regret to Inform
Kiên Giang Province, location.location.containedby, Mekong Delta
Regret to Inform, film.film.personal_appearances, m.0bqs8vs
Barbara Sonneborn, film.producer.film, Regret to Inform
m.05y__y5, common.webpage.topic, Regret to Inform
Cả River, geography.river.basin_countries, Laos
My Country, My Country, film.film.country, United States of America
m.0bqs8vz, film.personal_film_appearance.film, Regret to Inform
Southeast Asia, location.location.contains, South Vietnam
Ma River, location.location.partially_containedby, Vietnam
The Blood of Heroes, film.film.country, Australia
m.0nbmswk, award.award_honor.honored_for, Regret to Inform
Cambodia, location.country.form_of_government, Constitutional monarchy
Cambodian Mekong University campus, location.location.containedby, Cambodia
Janet Cole, film.producer.films_executive_produced, Regret to Inform
India, location.country.official_language, English Language
Nāga, base.mystery.cryptid_classification.area_of_occurrence, Mekong
Red River, geography.river.basin_countries, Vietnam
Thailand, location.location.containedby, Asia
Koh Kong Province, location.administrative_division.country, Cambodia
Blue Vinyl, film.film.country, United States of America
A Man Called God, film.film.country, India
m.0pd77g5, award.award_nomination.nominated_for, Regret to Inform
Laos, location.country.form_of_government, Socialist state
Tra Vinh Province, location.location.containedby, Mekong Delta
Regret to Inform, film.film.genre, History
Cambodia, location.country.administrative_divisions, Kep
Lam Ta Klong River, geography.river.basin_countries, Laos
Vietnam, location.location.partially_contains, Mekong
For Better or For Worse, film.film.country, United States of America
Laos, location.country.administrative_divisions, Bokeo Province
Mekong, geography.river.basin_countries, Cambodia
m.0wg9kc6, location.partial_containment_relationship.partially_contains, Mekong
Black Fantasy, film.film.country, United States of America
Ma River, geography.river.basin_countries, Laos
Regret to Inform, film.film.genre, Marriage & Commitment
Salween River, location.location.partially_containedby, China
Consenting Adults, film.film.country, United Kingdom
Nam Sam River, geography.river.basin_countries, Laos
Céline, film.film.country, Canada
Brunei, location.location.containedby, Southeast Asia
Adventures by Disney - Cambodia, Vietnam & Laos Vacation, travel.tour_operator.travel_destinations, Mekong Delta
Regret to Inform, film.film.genre, Biographical film
Sun Fountain Productions, film.production_company.films, Regret to Inform
Garçon plongeant dans le Mékong au Cambodge, common.image.appears_in_topic_gallery, Mekong
Mekong, geography.river.cities, Ho Chi Minh City
Cambodia, location.country.languages_spoken, French
My Country, My Country, film.film.genre, War film
Cambodia, location.country.administrative_divisions, Prey Veng Province
Regret to Inform, film.film.production_companies, Sun Fountain Productions
Cambodia, location.location.partially_contains, Kong River
Regret to Inform, common.topic.notable_types, Award-Winning Work
Biographical film, book.book_subject.works, Homesick
Regret to Inform, award.award_winning_work.awards_won, m.05v840d
Regret to Inform, film.film.directed_by, Barbara Sonneborn
m.0bqs8vs, film.personal_film_appearance.film, Regret to Inform
Longford, film.film.country, United Kingdom
Cambodia, common.topic.subjects, Insider Journeys
m.0gl76j8, film.film_regional_release_date.film, Regret to Inform
Mekong, location.location.partially_contains, Vietnam
Mekong Delta, location.location.contains, Tien Giang Province
City of Borders, film.film.country, United States of America
Sepon River, geography.river.basin_countries, Vietnam
Ken Schneider, film.editor.film, Regret to Inform
The Blood of Heroes, film.film.country, New Zealand
Regret to Inform, film.film.genre, Documentary film
Mekong, travel.travel_destination.tour_operators, Adventures by Disney - Cambodia, Vietnam & Laos Vacation
Srepok River, geography.river.basin_countries, Cambodia
Sekong Province, location.administrative_division.country, Laos
Black River, geography.river.basin_countries, Laos
Laos, location.location.adjoin_s, m.04d0dfp
You Got to Move, film.film.country, United States of America
The Challenge, film.film.country, United States of America
China, location.location.partially_contains, Salween River
Regret to Inform, media_common.netflix_title.netflix_genres, Indie Documentaries
The New Americans, film.film.country, United States of America
Mekong, geography.river.basin_countries, China
Saigon River, location.location.partially_containedby, Cambodia
Vietnam, location.location.partially_contains, Cả River
Cambodia, location.country.administrative_divisions, Stung Treng
China, location.country.form_of_government, Single-party state
Srepok River, location.location.partially_containedby, Vietnam
Laos, location.location.partially_contains, Phou Khe
Vietnam, location.location.partially_contains, Bassac River
The Independent, film.film.country, United States of America
Mekong, location.location.containedby, Asia
Ca Mau Province, location.location.containedby, Mekong Delta
Vietnam, Cambodia, Laos & the Greater Mekong, book.written_work.subjects, Cambodia
Regret to Inform, film.film.release_date_s, m.0gl76j8
Cambodia, location.location.partially_contains, Saigon River
Freedom Machines, film.film.country, United States of America
Kong River, location.location.partially_containedby, Laos
China, location.location.partially_contains, Red River
Marmato, film.film.country, United States of America
Eugenio Polgovsky, common.topic.subject_of, Documentary film
Lam Ta Klong River, location.location.partially_containedby, Laos
Thailand, location.location.partially_contains, Salween River
Hong Kong, common.topic.notable_types, Country
m.0wg9mf3, location.partial_containment_relationship.partially_contains, Mekong
Red River, location.location.partially_containedby, China
Sepon River, geography.river.basin_countries, Laos
Laos, location.country.languages_spoken, English Language
Country Fair, book.written_work.subjects, Biographical film
Kong River, geography.river.basin_countries, Vietnam
Mekong, geography.body_of_water.bridges, Second Thai–Lao Friendship Bridge
Saigon River, location.location.partially_containedby, Vietnam
Southeast Asia, location.location.contains, Indonesia
Digger, film.film.country, Canada
Homesick, book.written_work.subjects, China
none View of the Mekong before sunset., common.image.size, m.0k127w
Documentary film, common.topic.subject_of, Arteholic
A Waste of Shame (BBC4), film.film.country, United Kingdom
Exploring the Reef, film.film.country, United States of America
Mekong, location.location.partially_containedby, Myanmar
After Winter, Spring, film.film.country, United States of America
Cara Mertes, film.producer.film, Regret to Inform
Regret to Inform, film.film.production_companies, Center for Asian American Media
Bolinao 52, film.film.country, United States of America
Adventures by Disney - Cambodia, Vietnam & Laos Vacation, travel.tour_operator.travel_destinations, Mekong
This Vast Land, book.written_work.subjects, Biographical film
Cả River, location.location.containedby, Asia
My Country, My Country, film.film.genre, Documentary film
Vietnam, film.film_subject.films, Regret to Inform
My Country, My Country, film.film.genre, Biographical film
Srepok River, location.location.partially_containedby, Cambodia
Mekong, geography.river.origin, Lasagongma Spring
Vietnam, Cambodia, Laos & the Greater Mekong, common.topic.notable_types, Guidebook
Regret to Inform, film.film.produced_by, Janet Cole
Mekong, common.topic.image, Garçon plongeant dans le Mékong au Cambodge
Regret to Inform, media_common.netflix_title.netflix_genres, PBS Documentaries
Bangladesh, location.location.containedby, Asia
Cambodia, location.location.containedby, Southeast Asia
Cambodia, location.country.administrative_divisions, Koh Kong Province
The New Age, film.film.country, United States of America
Southeast Asia, location.location.contains, Timor-Leste
Vietnam, location.location.partially_contains, Kong River
Emiko Omori, film.cinematographer.film, Regret to Inform
China, location.country.administrative_divisions, Hong Kong
Regret to Inform, film.film.country, United States of America
Mekong, geography.river.cities, Kampong Cham
The Apothecary, film.film.country, United States of America
Regret to Inform, film.film.runtime, m.052hpbq
Vietnam, Cambodia, Laos & the Greater Mekong, book.written_work.subjects, Laos
Mekong Delta, location.location.contains, Tra Vinh Province
Thai–Lao Friendship Bridge, transportation.bridge.body_of_water_spanned, Mekong
Srepok River, geography.river.basin_countries, Vietnam
LBJ: The Early Years, film.film.country, United States of America
Pursuit of Equality, film.film.country, United States of America
Exposure, film.film.country, United States of America
Regret to Inform, film.film.produced_by, Barbara Sonneborn
Mekong, location.location.partially_contained_by, m.0wg9553
Vietnam, location.location.partially_contains, Sepon River
Regret to Inform, film.film.edited_by, Lucy Massie Phenix
Biographical film, book.book_subject.works, Suttree
Salween River, geography.river.basin_countries, China
m.0bqs8vj, film.film_regional_release_date.film, Regret to Inform
Vietnam, Cambodia, Laos & the Greater Mekong, book.book.genre, Travel
Myanmar, location.location.partially_contains, Mekong
Southeast Asia, location.location.contains, Brunei
Hau Giang Province, location.location.containedby, Mekong Delta
Cả River, location.location.partially_containedby, Laos
My Country, My Country, film.film.genre, Indie film
Cambodia, location.location.partiallycontains, m.0wg9mf3
Thailand, location.country.administrative_divisions, Nong Khai Province
Laos, location.country.administrative_divisions, Xaignabouli
Mekong, common.topic.image, none View of the Mekong before sunset.
Regret to Inform, common.topic.webpage, m.05y__y5
Regret to Inform, media_common.netflix_title.netflix_genres, Biographical Documentaries
Rạch Miễu Bridge, transportation.bridge.body_of_water_spanned, Mekong
Regret to Inform, film.film.cinematography, Emiko Omori
Laos, location.location.adjoin_s, m.05pkb5r
Cambodia, location.country.administrative_divisions, Pailin
Sepon River, location.location.containedby, Asia
Second Thai–Lao Friendship Bridge, transportation.bridge.body_of_water_spanned, Mekong
Cambodian Mekong University campus, location.location.containedby, Phnom Penh
m.0wg9553, location.partial_containment_relationship.partially_contains, Mekong
Vietnam, Cambodia, Laos & the Greater Mekong, book.published_work.published_in_published_as, m.0n5c9r6
m.0b7kyw7, award.award_nomination.nominated_for, Regret to Inform
Laos, location.country.administrative_divisions, Sekong Province
The Independent, film.film.subjects, Indie film
Mekong Delta, location.location.contains, Ca Mau Province
Second Opinion: Laetrile at Sloan-Kettering, film.film.country, United States of America
Mekong, location.location.partially_containedby, China
Mekong, geography.river.cities, Vientiane
Bassac River, geography.river.basin_countries, Cambodia
Insider Journeys, common.topic.subject_of, Vietnam
Vietnam, Cambodia, Laos & the Greater Mekong, common.topic.notable_for, g.1258t0qcw
Mekong Delta, location.location.contains, Đồng Tháp Province
Laos, location.country.languages_spoken, French
Cả River, geography.river.basin_countries, Vietnam
Vietnam, location.location.partially_contains, Red River
Đồng Tháp Province, location.location.containedby, Mekong Delta
Vietnam, Cambodia, Laos & the Greater Mekong, book.book.genre, Non-fiction
Mekong, location.location.partially_contained_by, m.0wg9kg9
Country Fair, book.written_work.subjects, United States of America
Paragraph 175, film.film.country, United Kingdom
Regret to Inform, media_common.netflix_title.netflix_genres, Documentary film
m.0b481ts, common.webpage.topic, Mekong
Kong River, location.location.containedby, Asia
Cambodia, location.location.partially_contains, Bassac River
Tokyo Waka, film.film.country, United States of America
m.0wg9b22, location.partial_containment_relationship.partially_contains, Mekong
Cambodia, location.location.partially_contains, Mekong
China, location.country.form_of_government, Communist state
Adventures by Disney - Cambodia, Vietnam & Laos Vacation, travel.tourist_attraction.near_travel_destination, Mekong Delta
Regret to Inform, common.topic.article, m.04zzdw2
Laos, location.location.partially_contains, Nam Sam River
China, location.country.capital, Beijing
Laos, location.location.partially_contains, Kong River
Mekong, common.topic.notable_for, g.12563g5fx
Vietnam, common.topic.subjects, Insider Journeys
South China Sea, location.location.events, Sinking of Prince of Wales and Repulse
Album 61, film.film.country, Israel
Lam Ta Klong River, location.location.containedby, Asia
Regret to Inform, film.film.genre, War film
Vietnam, location.location.partially_contains, Ma River
Far Eastern Economic Review, book.periodical.subjects, China
Thailand, common.topic.notable_types, Country
Brunei, location.country.languages_spoken, Chinese language
Tonlé San, geography.river.mouth, Mekong
Widow, film.film_subject.films, Regret to Inform
Salween River, location.location.partially_containedby, Myanmar
Vietnam, location.location.partially_contains, Saigon River
Regret to Inform, film.film.film_festivals, 1999 San Francisco International Film Festival
Brunei, location.country.languages_spoken, English Language
Southeast Asia, common.topic.subjects, Insider Journeys
Laos, location.location.partially_contains, Doi Phi Pan Nam
Land Mines: A Love Story, film.film.country, Australia
Laos, location.location.adjoin_s, m.043w4ks
Mekong, geography.river.mouth, South China Sea
Cambodia, location.country.administrative_divisions, Preah Vihear
Todd Boekelheide, film.music_contributor.film, Regret to Inform
Ma River, geography.river.basin_countries, Vietnam
Bassac River, geography.river.basin_countries, Vietnam
Mekong Delta, location.location.contains, Hau Giang Province
Regret to Inform, film.film.subjects, Widow
Regret to Inform, film.film.starring, m.0h108wn
Long An Province, location.location.containedby, Mekong Delta
Mekong, geography.river.cities, Phnom Penh
Marriage & Commitment, film.film_genre.films_in_this_genre, Regret to Inform
Salween River, geography.river.basin_countries, Thailand
none View of the Mekong before sunset., common.image.appears_in_topic_gallery, Mekong
Brunei, location.location.containedby, Asia
Thailand, location.country.administrative_divisions, Mukdahan Province
Mekong, geography.river.basin_countries, Laos
Southeast Asia, location.location.contains, Thailand
Phnom Penh, location.location.contains, Cambodian Mekong University campus
Biographical film, book.book_subject.works, Dvorak in America
Symphony Of The Soil, film.film.country, India
Laos, location.country.administrative_divisions, Luang Prabang Province
Mekong, location.location.geolocation, m.0dggd0l
Mekong, geography.river.basin_countries, Vietnam
Brunei, location.country.form_of_government, Constitutional monarchy
Regret to Inform, film.film.personal_appearances, m.0bqs8vz
Regret to Inform, film.film.edited_by, Ken Schneider
Rebels with a Cause, film.film.country, United States of America
Southeast Asia, location.location.contains, Malaysia
Mekong Delta, location.location.contains, Bến Tre Province
Laos, location.location.events, Operation Shed Light
Mekong, travel.travel_destination.tourist_attractions, Adventures by Disney - Cambodia, Vietnam & Laos Vacation

Answer: Vietnam