Question: who did alshon jeffery play for before the eagles
[{'answer': 'Chicago Bears', 'provenance': [{'wikipedia_id': '24731599', 'title': 'Alshon Jeffery', 'start_paragraph_id': 1, 'start_character': 221, 'end_paragraph_id': 1, 'end_character': 234, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]