Table: games_1950_medals
Columns: rank
nation
gold
silver
bronze
total

Question: What is the total number of Silver, when Gold is "1", and when Bronze is less than 0?
SQL: SELECT COUNT("silver") FROM games_1950_medals WHERE "gold" = 1 AND "bronze" < 0

Question: What is the highest Bronze, when Nation is "South Africa", and when Total is less than 20?
SQL: SELECT MAX("bronze") FROM games_1950_medals WHERE "nation" = 'south africa' AND "total" < 20

Question: What is the highest Silver, when Gold is "8", and when Total is greater than 31?
SQL: SELECT MAX("silver") FROM games_1950_medals WHERE "gold" = 8 AND "total" > 31

Question: What is the total number of Silver, when Gold is less than 34, when Rank is "6", and when Total is greater than 10?
SQL: SELECT COUNT("silver") FROM games_1950_medals WHERE "gold" < 34 AND "rank" = '6' AND "total" > 10

Question: What is Bronze, when Silver is less than 89, and when Total is "4"?
SQL: SELECT "bronze" FROM games_1950_medals WHERE "silver" < 89 AND "total" = 4