CREATE TABLE table_name_90 (result VARCHAR2, venue VARCHAR2, extra VARCHAR2)

Venue of melbourne , australia, and a Extra of 200 m has what results?
SELECT result FROM table_name_90 WHERE venue = "melbourne , australia" AND extra = "200 m"
SELECT "result" FROM "table_name_90" WHERE "200 m" = "extra" AND "melbourne , australia" = "venue"