Table: wrestling_1950
Columns: rank
nation
gold
silver
bronze
total

Question: Which Gold has a Rank of 7, a Nation of italy, and a Silver smaller than 0?
SQL: SELECT COUNT("gold") FROM wrestling_1950 WHERE "rank" = '7' AND "nation" = 'italy' AND "silver" < 0

Question: Which Gold has a Total larger than 3, a Rank of total, and a Silver larger than 8?
SQL: SELECT AVG("gold") FROM wrestling_1950 WHERE "total" > 3 AND "rank" = 'total' AND "silver" > 8