Question: the smallest of the cytoskeleton elements is the
[{'answer': 'Microfilaments', 'provenance': [{'wikipedia_id': '156970', 'title': 'Cytoskeleton', 'start_paragraph_id': 4, 'start_character': 284, 'end_paragraph_id': 4, 'end_character': 298, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '156970', 'title': 'Cytoskeleton', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 835, 'bleu_score': 0.7648311169346961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1192066921645654493}, 'section': 'Section::::Eukaryotic cytoskeleton.\n'}]}]