what is the least silver when bronze 1, rank one less than 2 and gold more than 4?
Rank Nation Gold Silver Bronze Total
1999 World Figure Skating Championships
17674688
real text real real real real
2-17674688-2
Medal table
Medal table
1 Russia 4 1 1 6
2 United States 0 1 1 2
3 China 0 1 0 1
3 France 0 1 0 1
5 Canada 0 0 1 1
5 Poland 0 0 1 1
SELECT MIN Silver FROM table WHERE Bronze = 1 AND Rank < 2 AND Gold > 4
1 2 4