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: Which of the countries involved in the Vietnam War has the largest country calling code? 
Knowledge Triplets: Vietnam War, book.written_work.subjects, Asia
North Vietnam, military.military_combatant.military_conflicts, m.0bd485_
North Vietnam, military.military_combatant.military_conflicts, m.0b797xy
North Vietnam, location.location.events, War in Vietnam (1954-1959)
North Vietnam, military.military_combatant.military_conflicts, m.0gx8n8z
Socialist state, government.form_of_government.countries, Vietnam
Opposition to United States involvement in the Vietnam War, common.topic.notable_types, Event
Vietnam War, base.culturalevent.event.entity_involved, Communism
Joint warfare in South Vietnam, 1963–69, military.military_conflict.combatants, m.0b78_7h
South Vietnam, location.country.national_anthem, m.0gm710l
War in Vietnam, base.culturalevent.event.entity_involved, Communism
Vietnam War, military.military_conflict.casualties, m.04kb4nl
North Vietnamese invasion of Laos, base.culturalevent.event.entity_involved, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Creighton Abrams
m.02h77gp, military.casualties.combatant, South Vietnam
Vietnam, location.country.capital, Hanoi
Vietnam War, base.culturalevent.event.entity_involved, Lyndon B. Johnson
Vietnam War, common.topic.webpage, m.09w6h34
Battle of Saigon, base.culturalevent.event.entity_involved, South Vietnam
m.09w6kz6, common.webpage.topic, Vietnam War
Vietnam, location.country.administrative_divisions, Quảng Ngãi Province
Vietnam War, base.culturalevent.event.entity_involved, Thailand
m.03z979q, military.military_combatant_group.conflict, Vietnam War
Hard Hat Riot, time.event.included_in_event, Opposition to United States involvement in the Vietnam War
Cyclo, film.film.country, Vietnam
Joint warfare in South Vietnam, 1963–69, common.topic.notable_types, Military Conflict
War in Vietnam, base.culturalevent.event.entity_involved, Viet Cong
m.04z084z, military.military_combatant_group.combatants, North Vietnam
Laos, location.location.events, Joint warfare in South Vietnam, 1963–69
Vietnam War, military.military_conflict.casualties, m.04kb4kx
South Vietnam, location.country.currency_used, South Vietnamese đồng
m.03z97td, military.military_combatant_group.combatants, North Vietnam
Indochina Wars, time.event.includes_event, Vietnam War
Vietnam War, common.topic.webpage, m.0b4887b
War in Vietnam, common.topic.notable_types, Military Conflict
Vietnam War, time.event.locations, Laos
Vietnam War, military.military_conflict.casualties, m.04kb4pq
m.0b79c5w, military.military_combatant_group.combatants, South Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Taiwan
Sino-Vietnamese War, base.culturalevent.event.entity_involved, Le Duan
Vietnam War, military.military_conflict.casualties, m.02h77fs
m.09xtw5q, common.webpage.topic, Vietnam War
Joint warfare in South Vietnam, 1963–69, military.military_conflict.combatants, m.0b78bs8
Indochina Wars, time.event.includes_event, Sino-Vietnamese War
Cambodian Campaign, base.culturalevent.event.entity_involved, North Vietnam
Vietnam War, common.topic.image, Vietnamese village after an attack
m.0b481t3, common.webpage.topic, Vietnam War
Vietnam War, common.topic.webpage, m.0b481t3
North Vietnamese invasion of Laos, common.topic.notable_types, Military Conflict
Sino-Vietnamese War, base.culturalevent.event.entity_involved, Vietnam
North Vietnam, location.country.form_of_government, Single-party state
Sino-Vietnamese War, time.event.locations, Vietnam
War in Vietnam, base.culturalevent.event.entity_involved, United States of America
m.0wg12cd, location.mailing_address.country, South Vietnam
South Vietnam, location.country.languages_spoken, French
Vietnam War, time.event.locations, North Vietnam
Vietnam War, common.topic.webpage, m.09wx9cc
Vietnam, common.topic.notable_types, Country
War in Vietnam, time.event.included_in_event, Cold War
Cambodian–Vietnamese War, base.culturalevent.event.entity_involved, Soviet Union
Vietnam War, time.event.included_in_event, 1960s
Vietnam War, base.culturalevent.event.entity_involved, Richard Nixon
Vietnam War, common.topic.article, m.07_nr
Vietnam War, time.event.locations, South Vietnam
Vietnam War, military.military_conflict.commanders, m.0478plb
m.04yw881, military.military_combatant_group.combatants, North Vietnam
Vietnam War, military.military_conflict.casualties, m.04kb4mq
War in Vietnam, base.culturalevent.event.entity_involved, Ho Chi Minh
m.04z083c, military.military_combatant_group.combatants, North Vietnam
Vietnam War, book.written_work.subjects, United States of America
m.04ftx09, military.military_combatant_group.combatants, North Vietnam
m.02h77tp, military.military_command.military_conflict, Vietnam War
North Vietnamese invasion of Laos, military.military_conflict.combatants, m.0dlryzb
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Pathet Lao
War in Vietnam, base.culturalevent.event.entity_involved, South Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Taiwan
Vietnam War, military.military_conflict.casualties, m.04kb4n8
Vietnam War, base.culturalevent.event.entity_involved, Francoist Spain
Vietnam, location.location.events, Sino-Vietnamese War
Vietnam War, common.topic.webpage, m.09xtw5q
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Cao Văn Viên
Cambodian Civil War, base.culturalevent.event.entity_involved, North Vietnam
Vietnam War, common.topic.webpage, m.09xgcz2
War in Vietnam (1954-1959), time.event.locations, South Vietnam
m.09xm1xv, common.webpage.topic, Vietnam War
Vietnam War, book.written_work.subjects, Vietnam War
Vietnam War, military.military_conflict.commanders, m.02h77w4
Vietnam War, base.culturalevent.event.entity_involved, Hoàng Văn Thái
Vietnam War, military.military_conflict.casualties, m.04kb4kj
North Vietnamese invasion of Laos, common.topic.image, Viangchan1
Vietnam War, common.topic.webpage, m.09w6pvn
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Ho Chi Minh
m.0b47hsk, common.webpage.topic, Vietnam War
North Vietnam, location.country.capital, Hanoi
North Vietnam, military.military_combatant.military_conflicts, m.09j4467
Vietnam War, military.military_conflict.casualties, m.02h77k6
Vietnam War, book.written_work.subjects, Southeast Asia
m.07skn34, military.military_command.military_conflict, Vietnam War
m.0g5cj73, military.military_combatant_group.conflict, North Vietnamese invasion of Laos
North Vietnam, military.military_combatant.military_conflicts, m.04ftx09
Adrift, tv.tv_program.country_of_origin, Vietnam
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Võ Nguyên Giáp
Hanoi, location.administrative_division.country, Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Cuba
Vietnam War, time.event.included_in_event, Indochina Wars
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Viet Cong
m.0g5cwl3, military.military_combatant_group.combatants, North Vietnam
Opposition to United States involvement in the Vietnam War, time.event.includes_event, Chicano Moratorium
Vietnam War, time.event.locations, Southeast Asia
March Against the Vietnam War, time.event.included_in_event, Opposition to United States involvement in the Vietnam War
First Indochina War, base.culturalevent.event.entity_involved, Võ Nguyên Giáp
First Indochina War, base.culturalevent.event.entity_involved, United States of America
South Vietnamese đồng, finance.currency.countries_used, South Vietnam
War in Vietnam, base.culturalevent.event.entity_involved, Anti-communism
m.04kb4n8, military.casualties.military_conflict, Vietnam War
Vietnam War, military.military_conflict.casualties, m.04kb4pf
m.09hxz2s, military.military_combatant_group.conflict, Sino-Vietnamese War
Opposition to United States involvement in the Vietnam War, time.event.includes_event, 1971 May Day protests
Vietnam War, common.topic.image, UH-1combatmission1970
Cambodian Civil War, base.culturalevent.event.entity_involved, South Vietnam
m.0b78bs8, military.military_combatant_group.conflict, Joint warfare in South Vietnam, 1963–69
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Le Duan
Vietnam War, base.culturalevent.event.entity_involved, Ngo Dinh Diem
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, South Vietnam
m.0c1qd3v, military.casualties.combatant, North Vietnam
Vietnam War, military.military_conflict.casualties, m.02h77jh
Clash, film.film.country, Vietnam
m.04z083j, military.military_combatant_group.combatants, South Vietnam
m.03z979q, military.military_combatant_group.combatants, North Vietnam
Vietnam War, military.military_conflict.commanders, m.0w5r65c
m.0b4887b, common.webpage.topic, Vietnam War
Single-party state, government.form_of_government.countries, North Vietnam
War in Vietnam (1954-1959), time.event.locations, North Vietnam
m.02h77gp, military.casualties.military_conflict, Vietnam War
Vietnam War, common.topic.notable_types, Military Conflict
m.02h77fs, military.casualties.military_conflict, Vietnam War
m.0b79163, military.military_combatant_group.combatants, North Vietnam
Vietnam War, common.topic.webpage, m.09wkmg9
UH-1combatmission1970, common.image.appears_in_topic_gallery, Vietnam War
m.0gx8n8z, military.military_combatant_group.combatants, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Pathet Lao
Sino-Vietnamese War, base.culturalevent.event.entity_involved, China
m.0g5c716, military.military_combatant_group.combatants, North Vietnam
m.0w5v3w_, military.military_command.military_conflict, Sino-Vietnamese War
Vietnam War, base.culturalevent.event.entity_involved, Nguyễn Văn Linh
Adrift, film.film.country, Vietnam
Vietnam War, military.military_conflict.casualties, m.04kb4l7
The Vertical Ray of the Sun, film.film.country, Vietnam
War in Vietnam (1954-1959), time.event.included_in_event, Cold War
Vietnam War, common.topic.webpage, m.09xfyqk
North Vietnam, military.military_combatant.military_conflicts, m.0g5cwl3
North Vietnam, military.military_combatant.military_conflicts, m.0g5dgz6
m.04z0g94, military.military_combatant_group.combatants, South Vietnam
m.0bd485_, military.military_combatant_group.combatants, North Vietnam
Cambodian–Vietnamese War, time.event.included_in_event, Indochina Wars
Joint warfare in South Vietnam, 1963–69, time.event.locations, Laos
m.02h77fs, military.casualties.combatant, South Vietnam
North Vietnam, military.military_combatant.military_conflicts, m.04z1097
North Vietnam, military.military_combatant.military_conflicts, m.0b79163
m.04z1097, military.military_combatant_group.combatants, North Vietnam
Vietnam, location.country.administrative_divisions, Quang Binh Province
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Viet Minh
m.0c5n9pb, military.military_command.military_conflict, Joint warfare in South Vietnam, 1963–69
m.02h77jh, military.casualties.military_conflict, Vietnam War
Asia, base.locations.continents.countries_within, Vietnam
Laos, location.location.events, Vietnam War
Operation Ivory Coast, base.culturalevent.event.entity_involved, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Trần Văn Trà
Indochina Wars, time.event.locations, Southeast Asia
War in Vietnam, military.military_conflict.commanders, m.0dh5jv_
m.0478plb, military.military_command.military_conflict, Vietnam War
Vietnam, base.locations.countries.continent, Asia
Vietnam, location.country.form_of_government, Socialist state
Laotian Civil War, base.culturalevent.event.entity_involved, South Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Nguyễn Hữu Thọ
m.0dh6jtq, military.military_command.military_conflict, War in Vietnam (1954-1959)
Presidio mutiny, time.event.included_in_event, Opposition to United States involvement in the Vietnam War
Joint warfare in South Vietnam, 1963–69, military.military_conflict.commanders, m.0b7915n
Vietnam War, military.military_conflict.commanders, m.02h77tp
m.09wkmg9, common.webpage.topic, Vietnam War
North Vietnam, common.topic.article, m.0g979
Cambodian–Vietnamese War, time.event.includes_event, Sino-Vietnamese War
North Vietnamese invasion of Laos, base.culturalevent.event.entity_involved, Pathet Lao
North Vietnam, common.topic.notable_types, Country
m.09xgcz2, common.webpage.topic, Vietnam War
Vietnam War, base.culturalevent.event.entity_involved, Ho Chi Minh
m.0bd4cz8, military.military_combatant_group.combatants, North Vietnam
Vietnam War, military.military_conflict.casualties, m.043wptp
m.0jmy703, military.military_combatant_group.combatants, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, North Vietnam
South Vietnam, location.country.form_of_government, Republic
m.03z9671, military.military_combatant_group.conflict, Vietnam War
North Vietnam, military.military_combatant.military_conflicts, m.04y_538
m.09j3ckd, military.military_combatant_group.conflict, War in Vietnam (1954-1959)
m.09wx9cc, common.webpage.topic, Vietnam War
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Communism
Sino-Vietnamese War, time.event.included_in_event, Cold War
North Vietnam, location.location.events, Vietnam War
m.0b797xy, military.military_combatant_group.combatants, North Vietnam
Opposition to United States involvement in the Vietnam War, time.event.includes_event, Presidio mutiny
Vietnam War, common.topic.webpage, m.09xwgxs
Opposition to United States involvement in the Vietnam War, time.event.includes_event, Kent State shootings
War in Vietnam, base.culturalevent.event.entity_involved, Ngo Dinh Diem
Sino-Vietnamese War, common.topic.notable_types, Military Conflict
Moratorium to End the War in Vietnam, time.event.included_in_event, Opposition to United States involvement in the Vietnam War
m.02h77vl, military.military_command.military_conflict, Vietnam War
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Ngo Dinh Diem
m.0c1qd3l, military.casualties.combatant, North Vietnam
Vietnam War, military.military_conflict.casualties, m.04kb4mf
m.09j4467, military.military_combatant_group.combatants, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Võ Nguyên Giáp
Vietnam War, military.military_conflict.commanders, m.02h77vl
First Indochina War, base.culturalevent.event.entity_involved, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, William Westmoreland
Vietnam, location.country.administrative_divisions, Quảng Trị Province
m.09w6h34, common.webpage.topic, Vietnam War
Cambodian–Vietnamese War, base.culturalevent.event.entity_involved, Vietnam
North Vietnam, military.military_combatant.military_conflicts, m.03z979q
War in Vietnam, time.event.locations, North Vietnam
War in Vietnam (1954-1959), common.topic.notable_types, Military Conflict
Vietnam War, common.topic.webpage, m.09y37g1
m.04kb4m4, military.casualties.military_conflict, Vietnam War
Vietnam, book.book_subject.works, Anatomy of a War
Vietnam War, base.culturalevent.event.entity_involved, Kingdom of Laos
Opposition to United States involvement in the Vietnam War, time.event.includes_event, Self-immolations in protest to the Vietnam War
Cambodian–Vietnamese War, base.culturalevent.event.entity_involved, Democratic Kampuchea
m.0bd34v7, military.military_combatant_group.combatants, North Vietnam
m.0w5r65c, military.military_command.military_conflict, Vietnam War
Vietnam War, base.schemastaging.context_name.pronunciation, g.125_qxttj
Hanoi, base.biblioness.bibs_location.country, Vietnam
1975 Spring Offensive, base.culturalevent.event.entity_involved, South Vietnam
Vietnam War, military.military_conflict.casualties, m.04kb4lw
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Anti-communism
Vietnam War, common.topic.notable_for, g.1258vfs7z
Southeast Asia, book.book_subject.works, Vietnam War
Vietnam War, time.event.locations, Vietnam
m.04kb4l7, military.casualties.military_conflict, Vietnam War
North Vietnam, military.military_combatant.military_conflicts, m.0bd4cz8
South Vietnam, location.country.capital, Ho Chi Minh City
Vietnam War, base.culturalevent.event.entity_involved, China
War in Vietnam, military.military_conflict.combatants, m.09sdkpy
Opposition to United States involvement in the Vietnam War, time.event.included_in_event, Vietnam War
Vietnam War, base.culturalevent.event.entity_involved, North Korea
First Indochina War, time.event.locations, North Vietnam
Single-party state, government.form_of_government.countries, Vietnam
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Nguyễn Văn Thiệu
m.0b78jlb, military.military_command.military_conflict, Joint warfare in South Vietnam, 1963–69
Vietnam War, military.military_conflict.commanders, m.0478pmb
Southeast Asia, book.book_subject.works, The Last Valley: Dien Bien Phu and the French Defeat in Vietnam
Sino-Vietnamese War, military.military_conflict.combatants, m.09hxz2s
War in Vietnam, base.culturalevent.event.entity_involved, Le Duan
Vietnam War, common.topic.webpage, m.09w6kz6
Vietnam War, military.military_conflict.commanders, m.07skn34
Vietnam, book.book_subject.works, Vietnam War
Vietnam War, base.culturalevent.event.entity_involved, Khmer Republic
North Vietnam, military.military_combatant.military_conflicts, m.0b798ys
Opposition to United States involvement in the Vietnam War, time.event.includes_event, March Against the Vietnam War
m.0gm710l, government.national_anthem_of_a_country.country, South Vietnam
War in Vietnam (1954-1959), time.event.included_in_event, Vietnam War
Laotian Civil War, base.culturalevent.event.entity_involved, North Vietnam
m.09y37g1, common.webpage.topic, Vietnam War
Cambodia, location.location.events, Vietnam War
Vietnam War, military.military_conflict.casualties, m.04kb4p4
Vietnam, location.country.administrative_divisions, Ho Chi Minh City
Sino-Vietnamese War, time.event.included_in_event, Cambodian–Vietnamese War
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Kingdom of Laos
20th century, time.event.includes_event, Vietnam War
Sino-Vietnamese War, time.event.included_in_event, Indochina Wars
North Vietnam, military.military_combatant.military_conflicts, m.0ggd4zm
War in Vietnam, time.event.included_in_event, Vietnam War
m.0fs6v7n, military.military_combatant_group.combatants, North Vietnam
m.04z0g8_, military.military_combatant_group.combatants, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Anti-communism
m.0gb12l8, military.military_combatant_group.combatants, South Vietnam
m.04z002c, military.military_combatant_group.combatants, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Le Duan
Vietnam War, military.military_conflict.combatants, m.03z979q
Moratorium to End the War in Vietnam, base.vietnamwar.protest.organizations_involved, Congress for International Co-operation and Disarmament
m.0b78_7h, military.military_combatant_group.conflict, Joint warfare in South Vietnam, 1963–69
Joint warfare in South Vietnam, 1963–69, time.event.locations, North Vietnam
First Indochina War, base.culturalevent.event.entity_involved, Ho Chi Minh
m.0g5c27c, military.military_combatant_group.combatants, South Vietnam
Joint warfare in South Vietnam, 1963–69, time.event.included_in_event, Vietnam War
m.09xwgxs, common.webpage.topic, Vietnam War
North Vietnamese invasion of Laos, time.event.included_in_event, Vietnam War
m.02h77k6, military.casualties.military_conflict, Vietnam War
Opposition to United States involvement in the Vietnam War, time.event.includes_event, Hard Hat Riot
Vietnam War, base.culturalevent.event.entity_involved, Nguyễn Văn Thiệu
Vietnam War, base.culturalevent.event.entity_involved, South Vietnam
Vietnam War, time.event.included_in_event, 20th century
Vietnam War, military.military_conflict.casualties, m.02h77gp
North Vietnam, military.military_combatant.military_conflicts, m.0g5c716
North Vietnam, military.military_combatant.military_conflicts, m.04z084z
Vietnam War, military.military_conflict.casualties, m.04kb4m_
m.03z9671, military.military_combatant_group.combatants, South Vietnam
War in Vietnam, military.military_conflict.combatants, m.09sdkq2
m.03z97v6, military.force_strength.combatant, North Vietnam
North Vietnamese invasion of Laos, military.military_conflict.combatants, m.0g5cj73
Vietnam War, military.military_conflict.casualties, m.04kb4ll
Vietnam War, base.culturalevent.event.entity_involved, Nguyễn Cao Kỳ
Vietnam War, common.topic.webpage, m.09wmlvm
Southeast Asia, book.book_subject.works, Vietnam
1975 Spring Offensive, base.culturalevent.event.entity_involved, North Vietnam
North Vietnam, military.military_combatant.military_conflicts, m.06482w8
Vietnam War, cvg.computer_game_subject.games, g.122n61_3
m.09wmlvm, common.webpage.topic, Vietnam War
Vietnam, location.country.official_language, Vietnamese Language
Vietnam War, base.culturalevent.event.entity_involved, Viet Cong
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, William Westmoreland
Opposition to United States involvement in the Vietnam War, time.event.includes_event, Student Strike of 1970
Sino-Vietnamese War, base.culturalevent.event.entity_involved, Văn Tiến Dũng
Vietnam War, military.military_conflict.force_strengths, m.02h783h
Vietnam War, book.written_work.subjects, Vietnam
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Hoàng Văn Thái
North Vietnam, location.country.form_of_government, Republic
Sino-Vietnamese War, military.military_conflict.commanders, m.0w5v3w_
Indochina Wars, time.event.includes_event, Cambodian–Vietnamese War
Southeast Asia, location.location.events, Vietnam War
Vietnam War, time.event.locations, Cambodia
m.03z96cp, military.military_combatant_group.combatants, South Vietnam
Vietnam, location.country.form_of_government, Single-party state
Vietnam, book.written_work.subjects, Vietnam War
Cambodian–Vietnamese War, base.culturalevent.event.entity_involved, Thailand
South Vietnam, common.topic.image, Trưng cầu dân ý năm 1955 đưa Ngô Đình Diệm lên nắm quyền
Vietnam, location.location.events, Vietnam War
Vietnam War, military.military_conflict.commanders, g.11btrq9dfw
War in Vietnam (1954-1959), military.military_conflict.combatants, m.09j3ckd
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Anti-communism
North Vietnam, common.topic.notable_for, g.12575ynt8
m.04kb4l7, military.casualties.combatant, North Vietnam
French, language.human_language.countries_spoken_in, South Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Văn Tiến Dũng
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Communism
m.0b7915n, military.military_command.military_conflict, Joint warfare in South Vietnam, 1963–69
War in Vietnam (1954-1959), military.military_conflict.commanders, m.0dh6jtq
m.0b78mbw, military.military_combatant_group.conflict, Joint warfare in South Vietnam, 1963–69
m.09w6pvn, common.webpage.topic, Vietnam War
m.0g5dgz6, military.military_combatant_group.combatants, North Vietnam
North Vietnam, location.location.events, First Indochina War
Vietnam War, base.culturalevent.event.entity_involved, Khmer Rouge
1971 May Day protests, time.event.included_in_event, Opposition to United States involvement in the Vietnam War
North Vietnamese invasion of Laos, base.culturalevent.event.entity_involved, Kingdom of Laos
Cambodian–Vietnamese War, time.event.locations, Cambodia
Vietnam War, military.military_conflict.force_strengths, m.02h782s
War in Vietnam, time.event.locations, South Vietnam
Vietnam, location.country.administrative_divisions, Hanoi
m.09xfyqk, common.webpage.topic, Vietnam War
Joint warfare in South Vietnam, 1963–69, military.military_conflict.commanders, m.0c5n9pb
m.0b798ys, military.military_combatant_group.combatants, North Vietnam
m.06482w8, military.military_combatant_group.combatants, North Vietnam
Self-immolations in protest to the Vietnam War, time.event.included_in_event, Opposition to United States involvement in the Vietnam War
m.0dls8dn, military.military_combatant_group.conflict, North Vietnamese invasion of Laos
Vietnam War, time.event.included_in_event, 1970s
Opposition to United States involvement in the Vietnam War, time.event.includes_event, Moratorium to End the War in Vietnam
Cambodian–Vietnamese War, base.culturalevent.event.entity_involved, People's Republic of Kampuchea
North Vietnam, common.topic.image, 北ベトナムの位置
Cambodian–Vietnamese War, base.culturalevent.event.entity_involved, China
Joint warfare in South Vietnam, 1963–69, military.military_conflict.combatants, m.0b78mbw
Vietnam War, military.military_conflict.casualties, m.04kb4m4
South Vietnam, common.topic.notable_types, Country
Vietnam War, base.culturalevent.event.entity_involved, Australia
Joint warfare in South Vietnam, 1963–69, military.military_conflict.commanders, m.0b78jlb
m.02h783h, military.force_strength.combatant, North Vietnam
Vietnam War, common.topic.webpage, m.0b47hsk
North Vietnamese invasion of Laos, military.military_conflict.combatants, m.0dls8dn
Vietnam War, base.culturalevent.event.entity_involved, Cao Văn Viên
South Vietnam, common.topic.notable_for, g.125h4ls67
m.02h77w4, military.military_command.military_conflict, Vietnam War
Vietnam War, military.military_conflict.combatants, m.03z9671
Cambodian–Vietnamese War, time.event.included_in_event, Cold War
Vietnam War, common.topic.webpage, m.09xm1xv

Answer: Taiwan