Question: who did the chiefs trade alex snith for
[{'answer': 'cornerback Kendall Fuller', 'provenance': [{'wikipedia_id': '1585224', 'title': 'Alex Smith', 'start_paragraph_id': 66, 'start_character': 109, 'end_paragraph_id': 66, 'end_character': 134, 'bleu_score': 1.0, 'section': 'Section::::Professional career.:Washington Redskins.\n'}]}, {'answer': 'a 3rd round pick in the 2018 NFL Draft'}, {'provenance': [{'wikipedia_id': '1585224', 'title': 'Alex Smith', 'start_paragraph_id': 66, 'start_character': 0, 'end_paragraph_id': 66, 'end_character': 271, 'bleu_score': 0.6915648207867451, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9522606459045701125}, 'section': 'Section::::Professional career.:Washington Redskins.\n'}]}]