Table: figure_skating_champs_2009
Columns: rank
nation
gold
silver
bronze
total

Question: Which Rank has a Nation of south korea, and a Silver larger than 0?
SQL: SELECT SUM("rank") FROM figure_skating_champs_2009 WHERE "nation" = 'south korea' AND "silver" > 0

Question: Which Bronze has a Rank of 3, and a Silver larger than 0?
SQL: SELECT MIN("bronze") FROM figure_skating_champs_2009 WHERE "rank" = 3 AND "silver" > 0