Question: where is atp synthase located in the mitochondria
[{'answer': 'thylakoid membrane', 'provenance': [{'wikipedia_id': '178220', 'title': 'ATP synthase', 'start_paragraph_id': 3, 'start_character': 526, 'end_paragraph_id': 3, 'end_character': 544, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'inner mitochondrial membrane', 'provenance': [{'wikipedia_id': '178220', 'title': 'ATP synthase', 'start_paragraph_id': 8, 'start_character': 46, 'end_paragraph_id': 8, 'end_character': 74, 'bleu_score': 1.0, 'section': 'Section::::Structure and function.\n'}]}, {'provenance': [{'wikipedia_id': '178220', 'title': 'ATP synthase', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 391, 'bleu_score': 0.8443449540662391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6237829914207680147}, 'section': 'Section::::Structure and function.\n'}]}]