Venues of the 1968 Summer Olympics

Columns: Venue | Sports | Capacity
Insurgentes Theater | Weightlifting | 1,100 | Juan de la Barrera Olympic Gymnasium | Volleyball | 5,242 | Juan Escutia Sports Palace | Basketball , Volleyball | 22,370 | Municipal Stadium | Field hockey | 7,360 | National Auditorium | Gymnastics | 12,450 | Arena Revolución | Volleyball | 1,500

Example questions:
Who was the muralist hired to paint the venue of the 1968 Summer Olympics with the lowest capacity ? | How many Mexico City venues of the 1968 Summer Olympics hosted either football or volleyball ? | In which year was the venue of the 1968 Summer Olympics built that hosted the event with the largest number of participating countries ? | The event with 11 medals awarded took place in a venue of the 1968 Summer Olympics in which neighborhood ?

Answers:
Diego Rivera | Three | 1952 | Colonia Doctores