Table:
text: Swatch FIVB World Tour 2006
Medal table by country
Medal table by country
Rank_ Nation Gold Silver Bronze Total
1. Brazil 17 18 15 50
2. United States 5 5 4 14
3. China 4 5 5 14
4. Germany 2 1 3 6
5. Switzerland 1 0 0 1
6. Netherlands 0 0 1 1
6. Norway 0 0 1 1

Question: What is the lowest Swatch FIVB World Tour 2006 Gold Count if Bronze is 4 and Silver is greater than 5?

Question: What is the average for silver medalists who have more than 17 gold medals for the Swatch FIVB World Tour 2006?

Question: What is the highest number of silver medals in the Swatch FIVB World Tour 2006 with a total of more than 14 and more than 15 bronze medals?