Question: what was the first pick of the 2018 nfl draft
[{'answer': 'Baker Mayfield', 'provenance': [{'wikipedia_id': '51510880', 'title': '2018 NFL Draft', 'start_paragraph_id': 2, 'start_character': 51, 'end_paragraph_id': 2, 'end_character': 65, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]