Question: how many reindeers are there on santa's slay
[{'answer': 'nine', 'provenance': [{'wikipedia_id': '5710422', 'title': "Santa Claus's reindeer", 'start_paragraph_id': 2, 'start_character': 174, 'end_paragraph_id': 2, 'end_character': 178, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5710422', 'title': "Santa Claus's reindeer", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 178, 'bleu_score': 0.9364250605898111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11623113001039563064}, 'section': 'Section::::Abstract.'}]}]