Question: How many subscribers does the user have for its Twitter username of OfficialRUFC, which is the association football club that has Andy Williams (the one that is a member of Coventry City F.C.) as a member (the end time of this statement is 1988-01-01)?
Choices:
12695
28957470
7732
30078
77142
67
55996
534634
937
6813