Hammer throw

Columns: Year | Mark | Athlete | Location
1978 | 80.32 m ( 263 ft 6 in ) | Karl-Hans Riehm ( FRG ) | Heidenheim | 1979 | 79.82 m ( 261 ft 10 ⁄ 2 in ) | Sergey Litvinov ( URS ) | Leipzig | 1980 | 81.80 m ( 268 ft 4 ⁄ 4 in ) | Yuriy Sedykh ( URS ) | Moscow | 1981 | 80.56 m ( 264 ft 3 ⁄ 2 in ) | Klaus Ploghaus ( FRG ) | Obersühl | 1982 | 83.98 m ( 275 ft 6 ⁄ 4 in ) | Sergey Litvinov ( URS ) | Moscow | 1983 | 84.14 m ( 276 ft ⁄ 2 in ) | Sergey Litvinov ( URS ) | Moscow | 1984 | 86.34 m ( 283 ft 3 in ) | Yuriy Sedykh ( URS ) | Cork

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