Table: test_matches_1991_2000_6
Columns: date
home_captain
away_captain
venue
result

Question: Who was the captain of the away team at Adelaide Oval?
SQL: SELECT "away_captain" FROM test_matches_1991_2000_6 WHERE "venue" = 'adelaide oval'

Question: What is the final score at Melbourne Cricket Ground?
SQL: SELECT "result" FROM test_matches_1991_2000_6 WHERE "venue" = 'melbourne cricket ground'