Question: who came up with the idea for the voice
[{'answer': 'John de Mol', 'provenance': [{'wikipedia_id': '31015071', 'title': 'The Voice (franchise)', 'start_paragraph_id': 1, 'start_character': 225, 'end_paragraph_id': 1, 'end_character': 236, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Dutch singer Roel van Velzen', 'provenance': [{'wikipedia_id': '31015071', 'title': 'The Voice (franchise)', 'start_paragraph_id': 3, 'start_character': 78, 'end_paragraph_id': 3, 'end_character': 106, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '31015071', 'title': 'The Voice (franchise)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 561, 'bleu_score': 0.9262607509947991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2678705982883542294}, 'section': 'Section::::History.\n'}]}]