Venues of the 1964 Summer Olympics

Columns: Venue | Sports | Capacity | Constructed
Korakuen Ice Palace | Boxing | 4,464 | Renovated | Lake Sagami | Canoeing | 1,500 | New | Mitsuzawa Football Field ( Yokohama ) | Football ( preliminaries ) | 10,102 | New | Nagai Stadium ( Osaka ) | Football ( preliminaries ) | 20,000 | New | National Gymnasium | Basketball , Diving , Modern pentathlon ( swimming ) , Swimming | 3,929 ( basketball ) 11,112 ( diving , swimming ) | New | National Stadium | Athletics , Equestrian ( team jumping ) , Football ( final ) | 71,556 | Extension

Example questions:
What is estimated population of a city which hosted sport during the 1964 Summer Olympics which has introduced 4000m distance as a new discipline ? | How many events were held during the 1964 Summer Olympics in a sport that was held at the lake located in Midori-ku ? | What was the name of the youngest participant during the 1964 Summer Olympics in a sport that took place in a town know as Karuizawa-machi ? | Who designed arena that hosted the sport during the 1964 Summer Olympics with 16 events ? | Where is the venue located that hosted the sport during the 1964 Summer Olympics which was represented by two events for men athletes ?

Answers:
579,330 | 7 events | Christilot Hanson-Boylen | Yoshinobu Ashihara | Saitama Prefecture , Japan