Table: athletics_results_4
Columns: year
tournament
venue
result
extra

Question: Result of 1st, and an Extra of 4 x 400 m relay is in what lowest year?
SQL: SELECT MIN("year") FROM athletics_results_4 WHERE "result" = '1st' AND "extra" = '4 x 400 m relay'

Question: a Year smaller than 2007, and a Result of 1st is in what venue?
SQL: SELECT "venue" FROM athletics_results_4 WHERE "year" < 2007 AND "result" = '1st'

Question: Venue of melbourne , australia, and a Extra of 200 m has what results?
SQL: SELECT "result" FROM athletics_results_4 WHERE "venue" = 'melbourne , australia' AND "extra" = '200 m'

Question: Result of 1st, and a Venue of melbourne , australia, and a Extra of 100 m happened in which year?
SQL: SELECT "year" FROM athletics_results_4 WHERE "result" = '1st' AND "venue" = 'melbourne , australia' AND "extra" = '100 m'