Question: who plays kate's husband in this is us
[{'answer': 'Chris Sullivan', 'provenance': [{'wikipedia_id': '50526957', 'title': 'This Is Us (TV series)', 'start_paragraph_id': 1, 'start_character': 403, 'end_paragraph_id': 1, 'end_character': 417, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50526957', 'title': 'This Is Us (TV series)', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 47, 'bleu_score': 0.6389431042462721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1441812748320622160}, 'section': 'Section::::Cast and characters.\n'}]}]