Table:
text: 1981 VFL season
Round 21
Round 21
Home_team Home_team_score Away_team Away_team_score Venue Crowd Date_
Melbourne 15.9 (99) Richmond 17.14 (116) MCG 19567 22 August 1981
Fitzroy 14.18 (102) St Kilda 9.10 (64) Junction Oval 12130 22 August 1981
Essendon 26.23 (179) South Melbourne 10.8 (68) Windy Hill 18773 22 August 1981
Collingwood 22.17 (149) Hawthorn 11.10 (76) Victoria Park 26680 22 August 1981
Geelong 18.20 (128) Footscray 8.11 (59) Kardinia Park 17573 22 August 1981
Carlton 12.12 (84) North Melbourne 8.14 (62) VFL Park 25544 22 August 1981

Question: When was Windy Hill used as a venue for the 21st round of the 1981 VFL season?

Question: Which home team plays in round 21 of the 1981 VFL season at VFL Park?

Question: Which team plays against Footscray as the home team for the 21st round of the 1981 VFL season?