Question: who has won more premier league titles arsenal or chelsea
[{'answer': 'Arsenal', 'provenance': [{'wikipedia_id': '16017820', 'title': 'Arsenal F.C.–Chelsea F.C. rivalry', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]