Question: That's Rock 'N' Roll Live was an album of the concert tour of a teen-idol sensation, American television producer/creator and screenwriter whose older half-brother is who?
{'answer': 'David Cassidy', 'supporting_facts': [["That's Rock 'n' Roll Live", 0], ["That's Rock 'n' Roll Live", 1], ['Shaun Cassidy', 0], ['Shaun Cassidy', 2]]}