Table:
text: 50 metre rifle three positions
World Championships, total medals
World Championships, total medals
Rank_ Gold Silver Bronze Total
1 18 11 10 39
2 12 12 7 31
3 5 3 3 11
4 4 2 2 8
5 2 3 1 6
6 2 2 2 6
7 2 1 2 5
8 2 1 1 4
9 2 1 1 4
10 1 1 3 5
11 1 0 6 7
13 1 2 3 6
14 1 0 1 2
15 1 0 0 1
17 0 4 4 8
18 0 4 3 7
19 0 3 0 3
20 0 1 1 2
24 0 1 0 1
25 0 0 1 1
Total 55 55 55 165`

Question: What is the highest silver if total is 4 and bronze less than 1 among World 50m Rifle Three Positions Total Medals?

Question: What is the gold if bronze is 1, total 6 and silver is less than 3 among World 50m rifle three-position championships, total medals?