Table: t_1938_vfl_match_5
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What was the away score when the home team was Melbourne?
SQL: SELECT "away_team_score" FROM t_1938_vfl_match_5 WHERE "home_team" = 'melbourne'

Question: Who played Collingwood?
SQL: SELECT "away_team" FROM t_1938_vfl_match_5 WHERE "home_team" = 'collingwood'