Question: who discovered that animals were made of cells
[{'answer': 'Henri Dutrochet', 'provenance': [{'wikipedia_id': '102858', 'title': 'Cell theory', 'start_paragraph_id': 15, 'start_character': 477, 'end_paragraph_id': 15, 'end_character': 492, 'bleu_score': 1.0, 'section': 'Section::::Discovery of cells.\n'}]}, {'provenance': [{'wikipedia_id': '102858', 'title': 'Cell theory', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 661, 'bleu_score': 0.9817332376369081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15068055683414368100}, 'section': 'Section::::Discovery of cells.\n'}]}]