Table:
text: 1971 World Judo Championships
Medals table
Medals table
Rank_ Nation Gold Silver Bronze Total
1 Japan 5 4 2 11
2 Netherlands 1 0 0 1
3 Germany 0 1 1 2
3 Soviet Union 0 1 1 2
5 East Germany 0 0 2 2
5 Great Britain 0 0 2 2
7 Brazil 0 0 1 1
7 South Korea 0 0 1 1
7 France 0 0 1 1
7 Poland 0 0 1 1

Question: What is the sum of silver with bronze greater than 0 and gold less than 0 at the 1971 World Judo Championships?

Question: What is the average silver with a total less than 1 at the 1971 World Judo Championships?

Question: What is the lowest rank with a nation that is East Germany at the 1971 World Judo Championships?