Question: what are the little fish that attach themselves to sharks
[{'answer': 'Remora', 'provenance': [{'wikipedia_id': '200199', 'title': 'Remora', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 6, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '200199', 'title': 'Remora', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 616, 'bleu_score': 0.9109000056692611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17354992646313221031}, 'section': 'Section::::Characteristics.\n'}]}]