Question: how many different species of fox are there
[{'answer': 'Forty - five', 'provenance': [{'wikipedia_id': '20647108', 'title': 'Red fox', 'start_paragraph_id': 2, 'start_character': 534, 'end_paragraph_id': 2, 'end_character': 555, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20647108', 'title': 'Red fox', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 707, 'bleu_score': 0.9410544140399941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15829763203124221738}, 'section': 'Section::::Abstract.'}]}]