Question: Which five other actors hosted the 30th Tony Awards in 1976 alongside the actor nominated for an Academy Award for Best Supporting Actor for his performance in Roman Holiday?
{'answer': 'Richard Burton, Jane Fonda, Diana Rigg, George C. Scott and Trish Van Devere', 'supporting_facts': [['30th Tony Awards', 0], ['30th Tony Awards', 1], ['Eddie Albert', 1]]}