Question: who has the number 1 song in america
[{'answer': 'Drake', 'provenance': [{'wikipedia_id': '55739951', 'title': 'List of Billboard Hot 100 number-one singles of 2018', 'start_paragraph_id': 2, 'start_character': 504, 'end_paragraph_id': 2, 'end_character': 509, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]