Table:
text: 1989 ICF Canoe Sprint World Championships
Medals table
Medals table
Rank_ Nation Gold Silver Bronze Total
1 Soviet Union 8 3 5 16
2 East Germany 7 3 1 11
3 Hungary 3 6 2 11
4 Poland 0 4 2 6
5 France 0 2 2 4
6 West Germany 0 1 2 3
7 Bulgaria 0 0 3 3
8 Denmark 2 0 0 2
9 Czechoslovakia 1 0 1 2
10 United Kingdom 0 1 1 2
11 Australia 1 0 0 1
12 Canada 0 1 0 1
13 Romania 0 1 0 1
14 Portugal 0 0 1 1
15 Sweden 0 0 1 1

Question: What is the sum of gold medals for the nation with 4 silver medals and more than 6 overall medals at the 1989 ICF Canoe Sprint World Championships?