Question: what was the first song ever played on top of the pops
[{'answer': 'the Rolling Stones', 'provenance': [{'wikipedia_id': '237031', 'title': 'Top of the Pops', 'start_paragraph_id': 11, 'start_character': 241, 'end_paragraph_id': 11, 'end_character': 259, 'bleu_score': 1.0, 'section': 'Section::::History.:The first show.\n'}]}, {'provenance': [{'wikipedia_id': '237031', 'title': 'Top of the Pops', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 658, 'bleu_score': 0.9495800980190441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11445229761470359379}, 'section': 'Section::::History.:The first show.\n'}]}]