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: What country had the city which hosted the 1928 Summer Olympics? 
Knowledge Triplets: 1928 Summer Olympics, olympics.olympic_games.athletes, m.04dq8yc
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb6q
1928 Summer Olympics, olympics.olympic_games.athletes, m.011k_34d
1928 Summer Olympics, olympics.olympic_games.competitions, Cycling at the 1928 Summer Olympics - Men's Sprint
1928 Summer Olympics, time.event.locations, Amsterdam
1928 Summer Olympics, olympics.olympic_games.events, Women's Foil individual
1928 Summer Olympics, olympics.olympic_games.sports, Fencing
1928 Summer Olympics, olympics.olympic_games.athletes, m.0s9060y
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb6l
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's 800 metres
1928 Summer Olympics, olympics.olympic_games.sports, Eventing
1928 Summer Olympics, olympics.olympic_games.athletes, m.04dq8b2
1928 Summer Olympics, olympics.olympic_games.demonstration_sports, Korfball
Athletics at the 1928 Summer Olympics, time.event.included_in_event, 1928 Summer Olympics
1928 Summer Olympics, olympics.olympic_games.demonstration_events, Men's Lacrosse
1928 Summer Olympics, olympics.olympic_games.events, Men's High jump
Athletics at the 1928 Summer Olympics, common.topic.article, m.09pc1n
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnnn
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's 3000 metres steeplechase
1928 Summer Olympics, olympics.olympic_games.athletes, m.065308j
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb7g
1928 Summer Olympics, olympics.olympic_games.athletes, m.0110yhkq
1928 Summer Olympics, olympics.olympic_games.competitions, Diving at the 1928 Summer Olympics – Men's 3 metre springboard
1928 Summer Olympics, olympics.olympic_games.events, Men's Athletics, 5000m
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's decathlon
1928 Summer Olympics, olympics.olympic_games.athletes, m.0114rvjz
1928 Summer Olympics, olympics.olympic_games.competitions, Swimming at the 1928 Summer Olympics – Men's 100 metre backstroke
Czechoslovakia, olympics.olympic_participating_country.olympics_participated_in, 1920 Summer Olympics
1928 Summer Olympics, olympics.olympic_games.competitions, Fencing at the 1928 Summer Olympics - Men's Sabre, Individual
1928 Summer Olympics, olympics.olympic_games.sports, Football
1928 Summer Olympics, olympics.olympic_games.events, Men's Marathon
1928 Summer Olympics, olympics.olympic_games.athletes, m.04dq7m3
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnrg
1928 Summer Olympics, olympics.olympic_games.events, Women's 10 metre platform
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb7b
1928 Summer Olympics, olympics.olympic_games.competitions, Wrestling at the 1928 Summer Olympics - Men's Greco-Roman Bantamweight
1928 Summer Olympics, olympics.olympic_games.competitions, Gymnastics at the 1928 Summer Olympics – Men's pommel horse
Amsterdam, location.administrative_division.country, Netherlands
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's high jump
1928 Summer Olympics, olympics.olympic_games.events, Men's Athletics, 800m
1928 Summer Olympics, olympics.olympic_games.competitions, Sailing at the 1928 Summer Olympics - 12' Dinghy
1928 Summer Olympics, olympics.olympic_games.sports, Water polo
1928 Summer Olympics, olympics.olympic_games.events, Men's Road Cycling, Individual Time Trial
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb7l
Portugal, olympics.olympic_participating_country.olympics_participated_in, 1936 Summer Olympics
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's shot put
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's pole vault
1928 Summer Olympics, olympics.olympic_games.athletes, m.0y4f7kk
1928 Summer Olympics, olympics.olympic_games.competitions, Rowing at the 1928 Summer Olympics - Men's Single Sculls
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb6z
1928 Summer Olympics, olympics.olympic_games.sports, Boxing
1920 Summer Olympics, olympics.olympic_games.participating_countries, Czechoslovakia
1928 Summer Olympics, olympics.olympic_games.competitions, Swimming at the 1928 Summer Olympics – Men's 200 metre breaststroke
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnmz
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb5l
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's 200 metres
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb8b
France, olympics.olympic_participating_country.olympics_participated_in, 1924 Summer Olympics
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's 100 metres
1928 Summer Olympics, olympics.olympic_athlete_affiliation.olympics, m.065tb5l
1928 Summer Olympics, olympics.olympic_games.participating_countries, United Kingdom
1928 Summer Olympics, olympics.olympic_games.competitions, Swimming at the 1928 Summer Olympics – Men's 1500 metre freestyle
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's 5000 metres
1928 Summer Olympics, olympics.olympic_games.competitions, Equestrian at the 1928 Summer Olympics - Dressage, Individual
1928 Summer Olympics, olympics.olympic_games.competitions, Boxing at the 1928 Summer Olympics – Men's featherweight
1928 Summer Olympics, olympics.olympic_games.competitions, Equestrian at the 1928 Summer Olympics - Jumping, Individual
m.07ngnnn, olympics.olympic_medal_honor.country, Netherlands
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnmq
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb8l
1928 Summer Olympics, olympics.olympic_games.events, Men's Long jump
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb6v
1928 Summer Olympics, olympics.olympic_games.competitions, Diving at the 1928 Summer Olympics – Men's 10 metre platform
1928 Summer Olympics, olympics.olympic_games.venues, Olympic Stadium
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb5v
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnpr
1928 Summer Olympics, common.topic.notable_for, g.125h3jzvl
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnpd
1928 Summer Olympics, common.topic.notable_types, Olympic games
1928 Summer Olympics, olympics.olympic_games.competitions, Diving at the 1928 Summer Olympics – Women's 10 metre platform
1928 Summer Olympics, olympics.olympic_games.athletes, m.011v3b6r
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnp_
Olympic Stadium, location.location.events, Athletics at the 1928 Summer Olympics – Men's 200 metres
1928 Summer Olympics, olympics.olympic_games.athletes, m.0110z9m0
m.07ngnrg, olympics.olympic_medal_honor.country, Netherlands
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnny
Olympic Stadium, location.location.events, Cycling at the 1928 Summer Olympics – Men's team pursuit
m.07ngnpd, olympics.olympic_medal_honor.country, Netherlands
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Women's 100 metres
1928 Summer Olympics, olympics.olympic_games.athletes, m.011wz44b
1928 Summer Olympics, olympics.olympic_games.events, Men's Hammer throw
Art competitions at the 1928 Summer Olympics, common.topic.image, Olympic Stadium Amsterdam 1928
1928 Summer Olympics, olympics.olympic_games.competitions, Gymnastics at the 1928 Summer Olympics – Men's artistic individual all-around
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb7z
1928 Summer Olympics, olympics.olympic_games.host_city, Amsterdam
1928 Summer Olympics, olympics.olympic_games.competitions, Swimming at the 1928 Summer Olympics – Women's 200 metre breaststroke
1928 Summer Olympics, olympics.olympic_games.events, Men's Track cycling, Sprint individual
1928 Summer Olympics, olympics.olympic_games.sports, Show jumping
1928 Summer Olympics, olympics.olympic_games.athletes, m.011v1p_w
1928 Summer Olympics, olympics.olympic_games.events, Men's Pommel horse
1928 Summer Olympics, olympics.olympic_games.events, Eventing, individual
1928 Summer Olympics, olympics.olympic_games.competitions, Swimming at the 1928 Summer Olympics – Women's 100 metre freestyle
Olympic Stadium, location.location.events, Cycling at the 1928 Summer Olympics – Men's sprint
Games of the IX Olympiad, common.image.appears_in_topic_gallery, 1928 Summer Olympics
m.065tb5l, olympics.olympic_athlete_affiliation.country, Netherlands
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb82
1928 Summer Olympics, olympics.olympic_games.events, Men's Decathlon
1928 Summer Olympics, olympics.olympic_games.competitions, Boxing at the 1928 Summer Olympics – Men's middleweight
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's triple jump
1928 Summer Olympics, olympics.olympic_games.competitions, Swimming at the 1928 Summer Olympics – Men's 400 metre freestyle
1928 Summer Olympics, olympics.olympic_games.events, Women's Athletics, 100m
1928 Summer Olympics, olympics.olympic_games.sports, Swimming
1928 Summer Olympics, olympics.olympic_games.athletes, m.0110_5pc
1928 Summer Olympics, common.topic.article, m.0lv26
Athletics at the 1928 Summer Olympics, time.event.locations, Olympic Stadium
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb6b
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's 400 metres
Athletics at the 1928 Summer Olympics – Men's shot put, olympics.olympic_event_competition.olympic_games_contested, 1928 Summer Olympics
m.07ngnp_, olympics.olympic_medal_honor.country, Netherlands
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's javelin throw
1928 Summer Olympics, olympics.olympic_games.athletes, m.04dq8lm
1928 Summer Olympics, olympics.olympic_games.events, Men's Parallel bars
1928 Summer Olympics, olympics.olympic_games.events, Men's Épée individual
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb6g
1928 Summer Olympics, time.event.includes_event, Lacrosse at the 1928 Summer Olympics
1928 Summer Olympics, olympics.olympic_games.competitions, Wrestling at the 1928 Summer Olympics - Men's Freestyle Light Heavyweight
1928 Summer Olympics, olympics.olympic_games.events, Men's Athletics, 100m
1928 Summer Olympics, olympics.olympic_games.events, Men's Horizontal bar
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb7q
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's 10,000 metres
1924 Summer Olympics, olympics.olympic_games.participating_countries, France
1928 Summer Olympics, olympics.olympic_games.sports, Artistic gymnastics
Athletics at the 1928 Summer Olympics – Men's marathon, time.event.locations, Amsterdam
1928 Summer Olympics, olympics.olympic_games.competitions, Swimming at the 1928 Summer Olympics – Men's 100 metre freestyle
1928 Summer Olympics, olympics.olympic_games.events, Men's Athletics, 200m
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's long jump
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb7v
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's discus throw
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's marathon
1928 Summer Olympics, olympics.olympic_games.competitions, Boxing at the 1928 Summer Olympics – Men's heavyweight
1928 Summer Olympics, olympics.olympic_games.competitions, Boxing at the 1928 Summer Olympics – Men's welterweight
1928 Summer Olympics, olympics.olympic_games.athletes, m.059g_ln
1928 Summer Olympics, olympics.olympic_games.competitions, Wrestling at the 1928 Summer Olympics - Men's Greco-Roman Heavyweight
1928 Summer Olympics, olympics.olympic_games.sports, Olympic weightlifting
1928 Summer Olympics, olympics.olympic_games.athletes, m.04dq7v5
1928 Summer Olympics, olympics.olympic_games.competitions, Wrestling at the 1928 Summer Olympics - Men's Freestyle Welterweight
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's hammer throw
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb5b
1928 Summer Olympics, olympics.olympic_games.competitions, Boxing at the 1928 Summer Olympics – Men's flyweight
1928 Summer Olympics, olympics.olympic_games.athletes, m.0110_5sn
1928 Summer Olympics, olympics.olympic_games.demonstration_sports, Frisian handball
1928 Summer Olympics, olympics.olympic_games.athletes, m.0r989h2
1928 Summer Olympics, olympics.olympic_games.athletes, m.01064rl9
1928 Summer Olympics, olympics.olympic_games.sports, Track cycling
1928 Summer Olympics, olympics.olympic_games.competitions, Gymnastics at the 1928 Summer Olympics – Men's rings
1928 Summer Olympics, olympics.olympic_games.events, Men's Athletics, 10000m
1928 Summer Olympics, olympics.olympic_games.sports, High jump
1928 Summer Olympics, olympics.olympic_games.events, Jumping, individual
1928 Summer Olympics, olympics.olympic_games.events, Men's Athletics, 1500m
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb8g
1928 Summer Olympics, olympics.olympic_games.competitions, Cycling at the 1928 Summer Olympics -  Men's Individual Time Trial
1928 Summer Olympics, olympics.olympic_games.events, Men's Athletics, 110m hurdles
m.07ngnq7, olympics.olympic_medal_honor.country, Netherlands
m.07ngnql, olympics.olympic_medal_honor.country, Netherlands
1928 Summer Olympics, olympics.olympic_games.events, Men's Athletics, 400m
1928 Summer Olympics, olympics.olympic_games.sports, Freestyle wrestling
1928 Summer Olympics, olympics.olympic_games.competitions, Wrestling at the 1928 Summer Olympics - Men's Freestyle Heavyweight
m.07ngnpr, olympics.olympic_medal_honor.country, Netherlands
Olympic Stadium, location.location.events, Athletics at the 1928 Summer Olympics
1928 Summer Olympics, olympics.olympic_games.events, Women's High jump
m.07ngnqy, olympics.olympic_medal_honor.country, Netherlands
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's 110 metres hurdles
1928 Summer Olympics, olympics.olympic_games.competitions, Gymnastics at the 1928 Summer Olympics - Men's Vault
1928 Summer Olympics, olympics.olympic_games.sports, Greco-Roman wrestling
1928 Summer Olympics, olympics.olympic_games.events, Men's Gymnastics, individual all-round
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb86
1928 Summer Olympics, olympics.olympic_games.athletes, m.04dq8c_
1928 Summer Olympics, olympics.olympic_games.events, 12' Dinghy
Summer Olympic Games, time.recurring_event.instances, 1928 Summer Olympics
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics - Women's Discus Throw
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb62
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb76
1928 Summer Olympics, common.topic.image, Games of the IX Olympiad
1928 Summer Olympics, olympics.olympic_games.athletes, m.05ttzrk
1928 Summer Olympics, olympics.olympic_games.athletes, m.04dq8th
1928 Summer Olympics, olympics.olympic_games.competitions, Equestrian at the 1928 Summer Olympics - Individual Eventing
1928 Summer Olympics, olympics.olympic_games.competitions, Fencing at the 1928 Summer Olympics - Women's Foil, Individual
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnr5
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb5z
1928 Summer Olympics, olympics.olympic_games.sports, Diving
1928 Summer Olympics, olympics.olympic_games.events, Men's Rings
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb5q
1928 Summer Olympics, olympics.olympic_games.competitions, Boxing at the 1928 Summer Olympics – Men's light heavyweight
Amsterdam, olympics.olympic_host_city.olympics_hosted, 1928 Summer Olympics
1928 Summer Olympics, olympics.olympic_games.athletes, m.011x023x
1928 Summer Olympics, olympics.olympic_games.competitions, Cycling at the 1928 Summer Olympics - Men's 1000m Time Trial
1928 Summer Olympics, olympics.olympic_games.competitions, Fencing at the 1928 Summer Olympics - Men's Foil, Individual
1928 Summer Olympics, olympics.olympic_games.events, Men's Vault
1928 Summer Olympics, olympics.olympic_games.events, Individual Dressage
1928 Summer Olympics, olympics.olympic_games.competitions, Gymnastics at the 1928 Summer Olympics - Men's Horizontal Bar
m.07ngnny, olympics.olympic_medal_honor.country, Netherlands
1928 Summer Olympics, olympics.olympic_games.competitions, Wrestling at the 1928 Summer Olympics - Men's Greco-Roman Lightweight
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb66
1928 Summer Olympics, olympics.olympic_games.competitions, Fencing at the 1928 Summer Olympics - Men's Épée, Individual
1928 Summer Olympics, olympics.olympic_games.athletes, m.05th4bh
1928 Summer Olympics, olympics.olympic_games.competitions, Wrestling at the 1928 Summer Olympics - Men's Greco-Roman Featherweight
1928 Summer Olympics, olympics.olympic_games.competitions, Wrestling at the 1928 Summer Olympics - Men's Freestyle Lightweight
Olympic Stadium, location.location.events, Athletics at the 1928 Summer Olympics – Men's 100 metres
Athletics at the 1928 Summer Olympics, common.topic.notable_for, g.1257vpfft
1928 Summer Olympics, olympics.olympic_games.competitions, Boxing at the 1928 Summer Olympics – Men's lightweight
1928 Summer Olympics, olympics.olympic_games.competitions, Swimming at the 1928 Summer Olympics – Women's 400 metre freestyle
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's 400 metres hurdles
1928 Summer Olympics, olympics.olympic_games.competitions, Wrestling at the 1928 Summer Olympics - Men's Greco-Roman Middleweight
1928 Summer Olympics, olympics.olympic_games.competitions, Gymnastics at the 1928 Summer Olympics – Men's parallel bars
1928 Summer Olympics, olympics.olympic_games.competitions, Diving at the 1928 Summer Olympics – Women's 3 metre springboard
1928 Summer Olympics, olympics.olympic_games.athletes, m.010nxr4_
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Women's 800 metres
1928 Summer Olympics, time.event.includes_event, Diving at the 1928 Summer Olympics
1928 Summer Olympics, olympics.olympic_games.athletes, m.0110zz_p
1928 Summer Olympics, olympics.olympic_games.competitions, Wrestling at the 1928 Summer Olympics - Men's Greco-Roman Light Heavyweight
1928 Summer Olympics, olympics.olympic_games.events, Men's Pole vault
1928 Summer Olympics, time.event.includes_event, Art competitions at the 1928 Summer Olympics
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnqy
Olympic Stadium, location.location.events, Equestrian at the 1928 Summer Olympics – Individual jumping
1928 Summer Olympics, olympics.olympic_games.sports, Sailing
1928 Summer Olympics, olympics.olympic_games.sports, Track and field athletics
1928 Summer Olympics, olympics.olympic_games.athletes, m.0qtc9_5
1928 Summer Olympics, olympics.olympic_games.events, Men's Foil individual
1928 Summer Olympics, olympics.olympic_games.sports, Hockey
United Kingdom, olympics.olympic_participating_country.olympics_participated_in, 1928 Summer Olympics
Olympic Stadium, location.location.events, Equestrian at the 1928 Summer Olympics – Team jumping
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Men's 1500 metres
1928 Summer Olympics, olympics.olympic_games.demonstration_competitions, Lacrosse at the 1928 Summer Olympics
1928 Summer Olympics, olympics.olympic_games.sports, Dressage
1928 Summer Olympics, olympics.olympic_games.sports, Rowing
1928 Summer Olympics, olympics.olympic_games.athletes, m.065tb72
1928 Summer Olympics, olympics.olympic_games.athletes, m.04dq868
1928 Summer Olympics, olympics.olympic_games.athletes, m.0vx6pmp
1928 Summer Olympics, olympics.olympic_games.events, Men's Javelin throw
m.07ngnmz, olympics.olympic_medal_honor.country, Netherlands
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnql
1928 Summer Olympics, olympics.olympic_games.sports, Road cycling
1928 Summer Olympics, time.event.includes_event, Athletics at the 1928 Summer Olympics
1928 Summer Olympics, olympics.olympic_games.competitions, Boxing at the 1928 Summer Olympics - Bantamweight
1928 Summer Olympics, olympics.olympic_games.competitions, Athletics at the 1928 Summer Olympics – Women's high jump
m.07ngnr5, olympics.olympic_medal_honor.country, Netherlands
1928 Summer Olympics, olympics.olympic_games.competitions, Swimming at the 1928 Summer Olympics – Women's 100 metre backstroke
m.07ngnmq, olympics.olympic_medal_honor.country, Netherlands
1928 Summer Olympics, time.event.locations, Amsterdam
1928 Summer Olympics, olympics.olympic_games.athletes, m.0w_zf0x
1928 Summer Olympics, olympics.olympic_games.athletes, m.064_r2b
1928 Summer Olympics, olympics.olympic_medal_honor.olympics, m.07ngnq7
1928 Summer Olympics, olympics.olympic_games.events, Men's Athletics, 400m hurdles
1928 Summer Olympics, olympics.olympic_games.events, Men's Shot put

Answer: Netherlands