Question: who is kevin's ex wife on this is us
[{'answer': 'Sophie', 'provenance': [{'wikipedia_id': '52995471', 'title': 'List of This Is Us characters', 'start_paragraph_id': 13, 'start_character': 201, 'end_paragraph_id': 13, 'end_character': 207, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Jack Pearson.\n'}]}, {'provenance': [{'wikipedia_id': '52995471', 'title': 'List of This Is Us characters', 'start_paragraph_id': 75, 'start_character': 0, 'end_paragraph_id': 75, 'end_character': 587, 'bleu_score': 0.661571363265474, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3348135522303628437}, 'section': 'Section::::Main characters.:Sophie.\n'}]}]