Question: what type of music does bob marley sing
[{'answer': 'reggae', 'provenance': [{'wikipedia_id': '8239846', 'title': 'Bob Marley', 'start_paragraph_id': 1, 'start_character': 128, 'end_paragraph_id': 1, 'end_character': 134, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'ska', 'provenance': [{'wikipedia_id': '8239846', 'title': 'Bob Marley', 'start_paragraph_id': 1, 'start_character': 198, 'end_paragraph_id': 1, 'end_character': 201, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'rocksteady', 'provenance': [{'wikipedia_id': '8239846', 'title': 'Bob Marley', 'start_paragraph_id': 1, 'start_character': 207, 'end_paragraph_id': 1, 'end_character': 217, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]