Question: who is the actor that plays nate in gossip girl
[{'answer': 'Christopher Chace Crawford', 'provenance': [{'wikipedia_id': '7176557', 'title': 'Chace Crawford', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7176557', 'title': 'Chace Crawford', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 423, 'bleu_score': 0.9247765631544721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2781804210203341846}, 'section': 'Section::::Abstract.'}]}]