Hammer throw

Columns: Rank | Mark | Athlete | Location | Date
15 | 83.38 m ( 273 ft 6 ⁄ 2 in ) | Szymon Ziółkowski ( POL ) | Edmonton | 5 August 2001 | 16 | 83.30 m ( 273 ft 3 ⁄ 2 in ) | Olli-Pekka Karjalainen ( FIN ) | Lahti | 14 July 2004 | 17 | 83.04 m ( 272 ft 5 ⁄ 4 in ) | Heinz Weis ( DEU ) | Frankfurt | 29 June 1997 | 18 | 83.00 m ( 272 ft 3 ⁄ 2 in ) | Balázs Kiss ( HUN ) | Saint-Denis | 4 June 1998 | 19 | 82.78 m ( 271 ft 7 in ) | Karsten Kobs ( DEU ) | Dortmund | 26 June 1999 | 20 | 82.69 m ( 271 ft 3 ⁄ 2 in ) | Krisztián Pars ( HUN ) | Zürich | 16 August 2014

Example questions:
Who did the top hammer thrower in the mens All-time top 25 hammer throwers rankings represent ? | Out of the top 3 hammer throwers in the mens All-time top 25 hammer throwers rankings , how many became coaches ? | How many first place prizes have the bottom 3 ranked athletes in the mens All-time top 25 hammer throwers rankings earned collectively ? | How many world championships has the athlete from Grodno in the mens All-time top 25 hammer throwers rankings won ?

Answers:
Soviet Union | 2 | 2 | 2