Table: athletics_2008_womens_400m
Columns: rank
heat
name
nationality
result

Question: Who has a Result of 54.67?
SQL: SELECT "name" FROM athletics_2008_womens_400m WHERE "result" = 54.67

Question: Which Nationality has a Heat smaller than 2, and a Rank of 15?
SQL: SELECT "nationality" FROM athletics_2008_womens_400m WHERE "heat" < 2 AND "rank" = 15

Question: Which Rank has a Name of tsvetelina kirilova, and a Result smaller than 55.97?
SQL: SELECT MAX("rank") FROM athletics_2008_womens_400m WHERE "name" = 'tsvetelina kirilova' AND "result" < 55.97

Question: Which Heat has a Nationality of bulgaria, and a Result larger than 55.97?
SQL: SELECT MIN("heat") FROM athletics_2008_womens_400m WHERE "nationality" = 'bulgaria' AND "result" > 55.97