Question: who sang the song born free in the movie
[{'answer': 'British singer Matt Monro', 'provenance': [{'wikipedia_id': '6843169', 'title': 'Born Free (Matt Monro song)', 'start_paragraph_id': 2, 'start_character': 52, 'end_paragraph_id': 2, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6843169', 'title': 'Born Free (Matt Monro song)', 'start_paragraph_id': 2, 'start_character': 26, 'end_paragraph_id': 2, 'end_character': 747, 'bleu_score': 0.8907102421000761, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5561349314109570265}, 'section': 'Section::::Abstract.'}]}]