CREATE TABLE table_name_20 (venue VARCHAR2, event VARCHAR2, year VARCHAR2, competition VARCHAR2)

what is the venue when the year is 2006, the competition is asian games and the event is 400 m?
SELECT venue FROM table_name_20 WHERE year = 2006 AND competition = "asian games" AND event = "400 m"
SELECT "venue" FROM "table_name_20" WHERE "400 m" = "event" AND "asian games" = "competition" AND "year" = 2006