Table: t_1944_vfl_match_6
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What is the average crowd where the home team scored 8.15 (63)?
SQL: SELECT AVG("crowd") FROM t_1944_vfl_match_6 WHERE "home_team_score" = '8.15 (63)'