Question: what is the function of mitochondrion in a plant cell
[{'answer': 'cellular energy', 'provenance': [{'wikipedia_id': '19588', 'title': 'Mitochondrion', 'start_paragraph_id': 2, 'start_character': 178, 'end_paragraph_id': 2, 'end_character': 193, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'signaling', 'provenance': [{'wikipedia_id': '19588', 'title': 'Mitochondrion', 'start_paragraph_id': 2, 'start_character': 245, 'end_paragraph_id': 2, 'end_character': 254, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'cellular differentiation', 'provenance': [{'wikipedia_id': '19588', 'title': 'Mitochondrion', 'start_paragraph_id': 2, 'start_character': 256, 'end_paragraph_id': 2, 'end_character': 280, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'cell death', 'provenance': [{'wikipedia_id': '19588', 'title': 'Mitochondrion', 'start_paragraph_id': 2, 'start_character': 286, 'end_paragraph_id': 2, 'end_character': 296, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'cell cycle', 'provenance': [{'wikipedia_id': '19588', 'title': 'Mitochondrion', 'start_paragraph_id': 2, 'start_character': 336, 'end_paragraph_id': 2, 'end_character': 346, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'cell growth', 'provenance': [{'wikipedia_id': '19588', 'title': 'Mitochondrion', 'start_paragraph_id': 2, 'start_character': 351, 'end_paragraph_id': 2, 'end_character': 362, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19588', 'title': 'Mitochondrion', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 595, 'bleu_score': 0.925613210291765, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12996201319162451602}, 'section': 'Section::::Abstract.'}]}]