Question: who played jj's husband on criminal minds
[{'answer': 'Joshua Regnall Stewart', 'provenance': [{'wikipedia_id': '9554304', 'title': 'Josh Stewart', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9554304', 'title': 'Josh Stewart', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 364, 'bleu_score': 0.9299540004114201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5935965500690425188}, 'section': 'Section::::Abstract.'}]}]