Table:
text: 1957 VFL season
Round 6
Round 6
Home_team Home_team_score Away_team Away_team_score Venue Crowd Date_
Melbourne 17.12 (114) South Melbourne 6.15 (51) MCG 28250 25 May 1957
Footscray 14.14 (98) Richmond 10.19 (79) Western Oval 24902 25 May 1957
Essendon 9.12 (66) Hawthorn 11.8 (74) Windy Hill 22000 25 May 1957
St Kilda 10.13 (73) Geelong 13.5 (83) Junction Oval 24000 25 May 1957
North Melbourne 13.13 (91) Collingwood 10.16 (76) Arden Street Oval 20000 25 May 1957
Fitzroy 12.10 (82) Carlton 14.12 (96) Brunswick Street Oval 24500 25 May 1957

Question: What is the date for the 6th round of the 1957 VFL season at the Western Oval?