Table:
text: 2007 World Taekwondo Championships
Medal table
Medal table
Rank_ Nation Gold Silver Bronze Total
17 Kazakhstan 0 0 3 3
17 Netherlands 0 0 3 3
19 Brazil 0 0 2 2
20 Dominican Republic 0 0 1 1
20 Egypt 0 0 1 1
20 Germany 0 0 1 1
20 Hungary 0 0 1 1
20 Italy 0 0 1 1
20 Morocco 0 0 1 1
20 Norway 0 0 1 1
Total Total 16 16 32 64

text: 2007 World Taekwondo Championships
Medal table
Medal table
Rank_ Nation Gold Silver Bronze Total
1 South Korea 4 4 4 12
2 China 2 0 1 3
2 Spain 2 0 1 3
4 Chinese Taipei 1 1 2 4
5 Croatia 1 1 1 3
5 Mexico 1 1 1 3
7 Turkey 1 1 0 2
8 United States 1 0 3 4
9 Canada 1 0 1 2
9 Cuba 1 0 1 2
11 Mali 1 0 0 1
12 Thailand 0 3 1 4
13 Iran 0 2 1 3
14 Afghanistan 0 1 0 1
14 Azerbaijan 0 1 0 1
14 France 0 1 0 1

Question: What is the total bronze at the 2007 World Taekwondo Championships if gold is greater than 0, if rank is 4, and if total is greater than 4?

Question: What is the lowest gold for 2007 world taekwondo championship if silver is 0 and bronze is 2?

Question: What is the average bronze value when silver is 0, when rank is 19 and when total is greater than 2 at the 2007 World Taekwondo Championships?