Question: what type of animal is a mountain gorilla
[{'answer': 'eastern gorilla', 'provenance': [{'wikipedia_id': '581632', 'title': 'Mountain gorilla', 'start_paragraph_id': 1, 'start_character': 83, 'end_paragraph_id': 1, 'end_character': 98, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]