Question: who does chuck bass marry in gossip girl
[{'answer': 'Blair Waldorf', 'provenance': [{'wikipedia_id': '6311352', 'title': 'Chuck Bass', 'start_paragraph_id': 2, 'start_character': 102, 'end_paragraph_id': 2, 'end_character': 115, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]