Question: who is the most listened to on spotify
[{'answer': 'Ed Sheeran', 'provenance': [{'wikipedia_id': '52008960', 'title': 'List of most-streamed songs on Spotify', 'start_paragraph_id': 1, 'start_character': 117, 'end_paragraph_id': 1, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]