Table: t_1963_vfl_match_4
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: Who was the opponent when Richmond played as the home team?
SQL: SELECT "away_team" FROM t_1963_vfl_match_4 WHERE "home_team" = 'richmond'

Question: What was the attendance at the Kardinia Park game?
SQL: SELECT "crowd" FROM t_1963_vfl_match_4 WHERE "venue" = 'kardinia park'