CREATE TABLE table_66726 ("Year" FLOAT, "Tournament" TEXT, "Venue" TEXT, "Result" TEXT, "Extra" TEXT)

Venue of melbourne , australia, and a Extra of 200 m has what results?
SELECT "Result" FROM table_66726 WHERE "Venue" = 'melbourne , australia' AND "Extra" = '200 m'
SELECT "Result" FROM "table_66726" WHERE "Extra" = '200 m' AND "Venue" = 'melbourne , australia'