Question: who plays blair's dad on gossip girl
[{'answer': 'John Shea', 'provenance': [{'wikipedia_id': '13345121', 'title': 'List of Gossip Girl characters', 'start_paragraph_id': 44, 'start_character': 13, 'end_paragraph_id': 44, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Recurring characters.:Family members.:Harold Waldorf.\n'}]}, {'provenance': [{'wikipedia_id': '13345121', 'title': 'List of Gossip Girl characters', 'start_paragraph_id': 44, 'start_character': 0, 'end_paragraph_id': 44, 'end_character': 1642, 'bleu_score': 0.9848010589354271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5223317063975949298}, 'section': 'Section::::Recurring characters.:Family members.:Harold Waldorf.\n'}]}]