Question: who is the lead singer of the wailers now
[{'answer': 'Josh David Barrett', 'provenance': [{'wikipedia_id': '3394257', 'title': 'The Wailers Band', 'start_paragraph_id': 15, 'start_character': 12, 'end_paragraph_id': 15, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::The Wailers Reunited (2016).\n'}]}, {'provenance': [{'wikipedia_id': '3394257', 'title': 'The Wailers Band', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 44, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6836238518996129790}, 'section': 'Section::::The Wailers Reunited (2016).\n'}]}]