[['home team', 'home team score', 'away team', 'away team score', 'venue', 'crowd', 'date'], ['footscray', '14.7 (91)', 'st kilda', '9.11 (65)', 'western oval', '18655', '15 july 1972'], ['fitzroy', '16.14 (110)', 'north melbourne', '9.12 (66)', 'junction oval', '7007', '15 july 1972'], ['essendon', '13.12 (90)', 'richmond', '17.9 (111)', 'windy hill', '22251', '15 july 1972'], ['carlton', '20.8 (128)', 'south melbourne', '8.15 (63)', 'princes park', '14465', '15 july 1972'], ['hawthorn', '19.14 (128)', 'geelong', '15.8 (98)', 'glenferrie oval', '12425', '15 july 1972'], ['collingwood', '10.13 (73)', 'melbourne', '8.10 (58)', 'vfl park', '30883', '15 july 1972']]
the average of all the Home Team Score is 15.67
the average of all the [ENT] is 15.67