Table: african_judo_2004
Columns: rank
nation
gold
silver
bronze
total

Question: What is the sum of bronze when silver is greater than 3?
SQL: SELECT SUM("bronze") FROM african_judo_2004 WHERE "silver" > 3

Question: What is the average total when gold is 0, bronze is 0, and silver is smaller than 1?
SQL: SELECT AVG("total") FROM african_judo_2004 WHERE "gold" = 0 AND "bronze" = 0 AND "silver" < 1