Question: who has more number one hits beyonce or rihanna
[{'answer': 'Rihanna', 'provenance': [{'wikipedia_id': '45187373', 'title': 'Artists with the most number-ones on the U.S. Dance Club Songs chart', 'start_paragraph_id': 1, 'start_character': 351, 'end_paragraph_id': 1, 'end_character': 358, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '45187373', 'title': 'Artists with the most number-ones on the U.S. Dance Club Songs chart', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 752, 'bleu_score': 0.644542716771608, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12822605909216352159}, 'section': 'Section::::Abstract.'}]}]