What-all is the silver number when gold is more than 4, and so the total is less than 24?
Rank Gold Silver Bronze Total
Men's Junior NORCECA Volleyball Championship
14807308
text real real real real
2-14807308-1
Medal Table
Medal Table
1 4 0 0 4
2 2 3 1 6
3 2 2 4 8
4 0 2 2 4
5 0 1 0 1
6 0 0 1 1
Total 8 8 8 24
SELECT AVG Silver FROM table WHERE Gold > 4 AND Total < 24
4 24