Conversation so far:
What abuse took place at Broadmoor Hospital?
allegations of sexual abuse.
Who were the allegations of sexual abuse against?
Jimmy Savile.
How was Jimmy Savile involved with the hospital?
a minister in the Department of Health and Social Security (DHSS), Jean Lady Trumpington, appointed Savile to the management board in charge of Broadmoor.
What year was this?
1987.
Where did the claims of sexual abuse against Saville come from?
After an ITV1 documentary Exposure: The Other Side of Jimmy Savile in October 2012, allegations of sexual abuse by Savile were made.
Was Saville ever charged?
CANNOTANSWER.

Question: How many allegations of sexual abuse were there?
Self-contained rewrite: How many allegations of sexual abuse were there at Broadmoor Hospital?