Question: how many uk number 1 hits did the beatles have
[{'answer': '17', 'provenance': [{'wikipedia_id': '2511761', 'title': 'List of artists by number of UK Singles Chart number ones', 'start_paragraph_id': 3, 'start_character': 446, 'end_paragraph_id': 3, 'end_character': 448, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]