Table: wrestling_1951_champs
Columns: rank
nation
gold
silver
bronze
total

Question: Can you tell me the average Total that had the Silver of 0, and the Rank of 6, and the Gold smaller than 0?
SQL: SELECT AVG("total") FROM wrestling_1951_champs WHERE "silver" = 0 AND "rank" = '6' AND "gold" < 0

Question: Can you tell me the highest Gold that has the Bronze larger than 3, and the Total smaller than 24?
SQL: SELECT MAX("gold") FROM wrestling_1951_champs WHERE "bronze" > 3 AND "total" < 24

Question: Can you tell me the highest Gold that has the Bronze smaller than 1, and the Total larger than 4?
SQL: SELECT MAX("gold") FROM wrestling_1951_champs WHERE "bronze" < 1 AND "total" > 4