Question: who played tom barnaby's wife in midsomer murders
[{'answer': 'Jane Wymark', 'provenance': [{'wikipedia_id': '38650599', 'title': 'List of Midsomer Murders characters', 'start_paragraph_id': 10, 'start_character': 15, 'end_paragraph_id': 10, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Joyce Barnaby.\n'}]}, {'provenance': [{'wikipedia_id': '38650599', 'title': 'List of Midsomer Murders characters', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 804, 'bleu_score': 0.9546056229057921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14536065723964446018}, 'section': 'Section::::Main characters.:Joyce Barnaby.\n'}]}]