Question: who stated that all plants are made of cells
[{'answer': 'Robert Hooke', 'provenance': [{'wikipedia_id': '102858', 'title': 'Cell theory', 'start_paragraph_id': 1, 'start_character': 526, 'end_paragraph_id': 1, 'end_character': 538, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '102858', 'title': 'Cell theory', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 920, 'bleu_score': 0.597524591493042, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4267296702126453479}, 'section': 'Section::::Discovery of cells.\n'}]}]