Question: who was the artist that exported reggae to the mainstream world
[{'answer': 'Toots and the Maytals', 'provenance': [{'wikipedia_id': '25520', 'title': 'Reggae', 'start_paragraph_id': 1, 'start_character': 166, 'end_paragraph_id': 1, 'end_character': 187, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '25520', 'title': 'Reggae', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1179, 'bleu_score': 0.9809998561623751, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10003894196322077511}, 'section': 'Section::::Abstract.'}]}]