Table:
text: 1973 VFL season
Round 16
Round 16
Home_team Home_team_score Away_team Away_team_score Venue Crowd Date_
St Kilda 14.16 (100) South Melbourne 13.15 (93) Moorabbin Oval 17454 21 July 1973
Footscray 6.9 (45) Hawthorn 9.11 (65) Western Oval 10987 21 July 1973
Richmond 16.14 (110) Melbourne 9.19 (73) MCG 30492 21 July 1973
Geelong 12.10 (82) Essendon 11.15 (81) Kardinia Park 16746 21 July 1973
Fitzroy 12.19 (91) Carlton 11.14 (80) Junction Oval 14800 21 July 1973
North Melbourne 11.10 (76) Collingwood 10.11 (71) VFL Park 25650 21 July 1973

Question: If the venue is mcg in 1973 VFL, what is the sum of all spectators for that venue in round 16?

Question: If the away team is Essendon, what date did they play in the 16th round of the 1973 VFL season?

Question: On what date did away team Essendon play Carlton in round 16 of the 1973 VFL season?

Question: When the home team was North Melbourne in the 16th round of the 1973 VFL season, what was the date of the game?