Hammer throw

Columns: Year | Mark | Athlete | Location
1971 | 76.40 m ( 250 ft 7 ⁄ 4 in ) | Walter Schmidt ( FRG ) | Lahr | 1972 | 75.88 m ( 248 ft 11 ⁄ 4 in ) | Anatoliy Bondarchuk ( URS ) | Kiev | 1973 | 75.20 m ( 246 ft 8 ⁄ 2 in ) | Anatoliy Bondarchuk ( URS ) | Moscow | 1974 | 76.66 m ( 251 ft 6 in ) | Aleksey Spiridonov ( URS ) | Munich | 1975 | 79.30 m ( 260 ft 2 in ) | Walter Schmidt ( FRG ) | Frankfurt | 1976 | 78.86 m ( 258 ft 8 ⁄ 2 in ) | Yuriy Sedykh ( URS ) | Sochi | 1977 | 77.60 m ( 254 ft 7 in ) | Karl-Hans Riehm ( FRG ) | Gelsenkirchen

Example questions:
how many of the top 5 most recent hammer throwers are from Russia ? | How many of the top 3 most recent hammer throwers are from Russia ? | What was the nationality of the 1985 hammer thrower ? | What place did the least recent hammer thrower end up in at the 1976 Summer Olympics ?

Answers:
4 | 2 | Estonian | fifth