Table: vfl_1970_game_5
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: what was the away team for the north melbourne home team?
SQL: SELECT "away_team" FROM vfl_1970_game_5 WHERE "home_team" = 'north melbourne'

Question: what was the away team score in a game with north melbourne as home team?
SQL: SELECT "away_team_score" FROM vfl_1970_game_5 WHERE "home_team" = 'melbourne'

Question: what was the away team with st kilda as the away team?
SQL: SELECT "away_team_score" FROM vfl_1970_game_5 WHERE "away_team" = 'st kilda'