Question: where do cells get energy for active transport
[{'answer': 'cellular energy', 'provenance': [{'wikipedia_id': '144602', 'title': 'Active transport', 'start_paragraph_id': 1, 'start_character': 232, 'end_paragraph_id': 1, 'end_character': 247, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '144602', 'title': 'Active transport', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 715, 'bleu_score': 0.9817332376369081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11770514104906365270}, 'section': 'Section::::Cellular transportation mechanisms.\n'}]}]