Question: who is clay wife on one tree hill
[{'answer': 'Sara', 'provenance': [{'wikipedia_id': '9431755', 'title': 'List of One Tree Hill characters', 'start_paragraph_id': 45, 'start_character': 546, 'end_paragraph_id': 45, 'end_character': 550, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Clay Evans.\n'}]}]