Question: who sang the theme song in the movie alfie
[{'answer': 'Cilla Black', 'provenance': [{'wikipedia_id': '6067922', 'title': 'Alfie (Burt Bacharach song)', 'start_paragraph_id': 1, 'start_character': 121, 'end_paragraph_id': 1, 'end_character': 132, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6067922', 'title': 'Alfie (Burt Bacharach song)', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 504, 'bleu_score': 0.9768747032089851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17438906706383129415}, 'section': 'Section::::Cilla Black version.\n'}]}]