Table:
text: 1931 VFL season
Round 9
Round 9
Home_team Home_team_score Away_team Away_team_score Venue Crowd Date_
Melbourne 4.12 (36) St Kilda 9.9 (63) MCG 15826 4 July 1931
Geelong 13.9 (87) Hawthorn 9.7 (61) Corio Oval 9500 4 July 1931
Fitzroy 8.13 (61) Richmond 14.17 (101) Brunswick Street Oval 15000 4 July 1931
South Melbourne 10.13 (73) Essendon 9.9 (63) Lake Oval 11000 4 July 1931
Footscray 4.16 (40) Collingwood 6.8 (44) Western Oval 21500 4 July 1931
North Melbourne 7.8 (50) Carlton 20.10 (130) Arden Street Oval 10000 4 July 1931

Question: What date did Fitzroy have a home team score of 8.13 (61) in Round 9 of the 1931 VFL season?

Question: What is the average Round 9 attendance for the home North Melbourne team in the 1931 VFL season?