What is the sum Silver when the total less than 6, the rank one 6 and the Bulgaria the nation?
Rank Nation Gold Silver Bronze Total
1994 World Wrestling Championships
15381310
text text real real real real
2-15381310-1
Medal table
Medal table
1 Russia 6 5 5 16
2 Japan 6 0 1 7
3 Germany 4 0 2 6
4 Cuba 3 2 0 5
5 Turkey 2 1 0 3
6 Bulgaria 1 1 2 4
6 Iran 1 1 2 4
8 Poland 1 1 1 3
9 Moldova 1 1 0 2
10 Austria 1 0 0 1
10 Canada 1 0 0 1
10 Kazakhstan 1 0 0 1
10 Norway 1 0 0 1
14 France 0 5 2 7
15 United States 0 3 2 5
16 Azerbaijan 0 3 0 3
17 Belarus 0 2 2 4
18 Ukraine 0 1 4 5
19 Georgia 0 1 1 2
20 Finland 0 1 0 1
20 South Korea 0 1 0 1
22 Sweden 0 0 2 2
23 Czech Republic 0 0 1 1
23 Italy 0 0 1 1
23 Kyrgyzstan 0 0 1 1
Total Total 29 29 29 87
SELECT SUM Silver FROM table WHERE Total < 6 AND Rank = 6 AND Nation = bulgaria
6 6 bulgaria