Question: how many episodes are there in doctor who season 10
[{'answer': 'twelve episodes', 'provenance': [{'wikipedia_id': '47288204', 'title': 'Doctor Who (series 10)', 'start_paragraph_id': 1, 'start_character': 156, 'end_paragraph_id': 1, 'end_character': 171, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47288204', 'title': 'Doctor Who (series 10)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 662, 'bleu_score': 0.9826823455989031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5921749849024050376}, 'section': 'Section::::Abstract.'}]}]