Table: taekwondo_1989_champs
Columns: rank
nation
gold
silver
bronze
total

Question: Which Silver has a Total of 7, and a Gold larger than 1?
SQL: SELECT AVG("silver") FROM taekwondo_1989_champs WHERE "total" = 7 AND "gold" > 1

Question: Which Bronze has a Gold smaller than 16, a Rank of 10, and a Nation of italy?
SQL: SELECT AVG("bronze") FROM taekwondo_1989_champs WHERE "gold" < 16 AND "rank" = '10' AND "nation" = 'italy'

Question: Which Total has a Bronze larger than 2, a Gold smaller than 16, a Silver of 0, and a Rank of 13?
SQL: SELECT AVG("total") FROM taekwondo_1989_champs WHERE "bronze" > 2 AND "gold" < 16 AND "silver" = 0 AND "rank" = '13'

Question: Which Gold has a Nation of malaysia, and a Silver smaller than 0?
SQL: SELECT MIN("gold") FROM taekwondo_1989_champs WHERE "nation" = 'malaysia' AND "silver" < 0