Question: who is vincent's father in godfather 3
[{'answer': 'Sonny Corleone', 'provenance': [{'wikipedia_id': '1626000', 'title': 'Vincent Corleone', 'start_paragraph_id': 1, 'start_character': 252, 'end_paragraph_id': 1, 'end_character': 266, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]