Question: who sang the song never on a sunday
[{'answer': 'Melina Mercouri', 'provenance': [{'wikipedia_id': '6781724', 'title': 'Never on Sunday (song)', 'start_paragraph_id': 1, 'start_character': 195, 'end_paragraph_id': 1, 'end_character': 210, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6781724', 'title': 'Never on Sunday (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 597, 'bleu_score': 0.832056310577379, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16378842626794925129}, 'section': 'Section::::Abstract.'}]}]