Table:
text: 1978 VFL season
Round 6
Round 6
Home_team Home_team_score Away_team Away_team_score Venue Crowd Date_
Melbourne 21.15 (141) St Kilda 31.18 (204) MCG 24852 6 May 1978
Geelong 12.16 (88) North Melbourne 16.14 (110) Kardinia Park 23074 6 May 1978
Essendon 22.18 (150) Richmond 19.15 (129) Windy Hill 21946 6 May 1978
Carlton 19.12 (126) Hawthorn 24.13 (157) Princes Park 19464 6 May 1978
Fitzroy 14.12 (96) Collingwood 22.16 (148) Junction Oval 25282 6 May 1978
South Melbourne 18.15 (123) Footscray 16.9 (105) VFL Park 19263 6 May 1978

Question: What date did Richmond play away in Round 6 of the 1978 VFL season?