Question: who did the chargers trade eli manning for
[{'answer': 'Philip Rivers of NC State', 'provenance': [{'wikipedia_id': '907306', 'title': '2004 NFL Draft', 'start_paragraph_id': 2, 'start_character': 298, 'end_paragraph_id': 2, 'end_character': 323, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '907306', 'title': '2004 NFL Draft', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 1337, 'bleu_score': 0.9912085779363331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13051315035744251092}, 'section': 'Section::::Abstract.'}]}]