Question: who plays gary in last tango in halifax
[{'answer': 'Rupert Graves', 'provenance': [{'wikipedia_id': '37968330', 'title': 'Last Tango in Halifax', 'start_paragraph_id': 27, 'start_character': 571, 'end_paragraph_id': 27, 'end_character': 584, 'bleu_score': 1.0, 'section': 'Section::::Production.:Characters and casting.\n'}]}, {'provenance': [{'wikipedia_id': '37968330', 'title': 'Last Tango in Halifax', 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 683, 'bleu_score': 0.561078270123469, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9024503280965840376}, 'section': 'Section::::Production.:Characters and casting.\n'}]}]