Table: t_1981_vfl_game_5
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: Where was the game that the home team scored 12.15 (87)?
SQL: SELECT "venue" FROM t_1981_vfl_game_5 WHERE "home_team_score" = '12.15 (87)'

Question: How many people attended Melbourne's away game?
SQL: SELECT SUM("crowd") FROM t_1981_vfl_game_5 WHERE "away_team" = 'melbourne'

Question: What was the home team's score when the away team scored 15.17 (107)?
SQL: SELECT "home_team_score" FROM t_1981_vfl_game_5 WHERE "away_team_score" = '15.17 (107)'