Table: t_1938_vfl_match_6
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What was Essendon's opponents away score?
SQL: SELECT "away_team_score" FROM t_1938_vfl_match_6 WHERE "home_team" = 'essendon'

Question: What was the attendance at Corio Oval?
SQL: SELECT "crowd" FROM t_1938_vfl_match_6 WHERE "venue" = 'corio oval'