CREATE TABLE table_name_10 (year VARCHAR, extra VARCHAR, result VARCHAR, venue VARCHAR)

Result of 1st, and a Venue of melbourne , australia, and a Extra of 100 m happened in which year?
SELECT year FROM table_name_10 WHERE result = "1st" AND venue = "melbourne , australia" AND extra = "100 m"
SELECT "year" FROM "table_name_10" WHERE "100 m" = "extra" AND "1st" = "result" AND "melbourne , australia" = "venue"