how many athletes were from the soviet union in this competition?
3
Place Athlete Nation Best mark Throw 1 Throw 2 Throw 3 Throw 4 Throw 5 Throw 6
1 Tamara Press Soviet Union 18.14 metres OR 17.51 17.72 17.18 16.49 X 18.14
2 Renate Culmberger Germany 17.61 metres 17.41 17.10 16.38 17.61 17.00 17.01
3 Galina Zybina Soviet Union 17.45 metres 17.38 17.25 17.45 17.42 16.65 17.36
4 Valerie Young New Zealand 17.26 metres 17.08 15.84 16.81 17.26 17.24 17.23
5 Margitta Helmbold Germany 16.91 metres 16.67 15.87 X 16.60 16.91 16.34
6 Irina Press Soviet Union 16.71 metres X 16.50 X 15.81 15.78 16.71
7 Nancy McCredie Canada 15.89 metres 15.89 15.13 15.27
8 Ana Salagean Romania 15.83 metres 15.79 15.83 15.70
9 Johanna Hubner Germany 15.77 metres 15.77 X X
10 Ivanka Khristova Bulgaria 15.69 metres 15.69 X 15.35
11 Judit Bognar Hungary 15.65 metres 15.65 X X
12 Earlene Brown United States 14.80 metres 14.25 13.43 14.80
csv/203-csv/865.tsv