Table:
text: 2005 World Taekwondo Championships
Medal table
Medal table
Rank_ Nation Gold Silver Bronze Total
15 Canada 0 0 2 2
15 Thailand 0 0 2 2
18 Austria 0 0 1 1
18 Belgium 0 0 1 1
18 Croatia 0 0 1 1
18 Cuba 0 0 1 1
18 Egypt 0 0 1 1
18 Germany 0 0 1 1
18 Israel 0 0 1 1
18 Italy 0 0 1 1
18 Japan 0 0 1 1
18 Netherlands 0 0 1 1
18 Senegal 0 0 1 1
18 Venezuela 0 0 1 1
18 Vietnam 0 0 1 1
Total Total 16 16 32 64

text: 2005 World Taekwondo Championships
Medal table
Medal table
Rank_ Nation Gold Silver Bronze Total
1 South Korea 7 3 2 12
2 United States 3 0 1 4
3 Spain 2 2 4 8
4 Iran 1 3 1 5
5 Brazil 1 1 0 2
6 China 1 0 1 2
6 Mexico 1 0 1 2
8 France 0 1 1 2
8 Russia 0 1 1 2
8 Turkey 0 1 1 2
11 Chinese Taipei 0 1 0 1
11 Great Britain 0 1 0 1
11 Morocco 0 1 0 1
11 Puerto Rico 0 1 0 1
15 Australia 0 0 2 2

Question: How much gold for the 15th-ranked nation with 0 silver at the 2005 World Taekwondo Championships?