Discus throw

Columns: Year | Distance | Athlete | Location
1975 | 69.08 m ( 226 ft 7 ⁄ 2 in ) | John Powell ( USA ) | Long Beach | 1976 | 70.86 m ( 232 ft 5 ⁄ 4 in ) | Mac Wilkins ( USA ) | San Jose | 1977 | 69.20 m ( 227 ft ⁄ 4 in ) | Mac Wilkins ( USA ) | Westwood | 1978 | 71.16 m ( 233 ft 5 ⁄ 2 in ) | Wolfgang Schmidt ( GER ) | Berlin | 1979 | 70.66 m ( 231 ft 9 ⁄ 4 in ) | Mac Wilkins ( USA ) | Walnut | 1980 | 70.98 m ( 232 ft 10 ⁄ 4 in ) | Mac Wilkins ( USA ) | Erfurt | 1981 | 69.98 m ( 229 ft 7 in ) | John Powell ( USA ) | Modesto

Example questions:
How many male metres was the longest Discus throw recorded in the economic centre of Silicon Valley ? | What nationality was the male athlete with the shortest Discus throw ? | In which year was the longest Discus throw in Skåne County recorded ? | When did the male athlete with the most recent Discus throw in San Jose win an Olympic silver medal ?

Answers:
71.26 | Swedish | 1969 | 1980