Question: what kind of procedure is carried out in a hospital operating theatre
[{'answer': 'surgical operations', 'provenance': [{'wikipedia_id': '384886', 'title': 'Operating theater', 'start_paragraph_id': 1, 'start_character': 135, 'end_paragraph_id': 1, 'end_character': 154, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '384886', 'title': 'Operating theater', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 196, 'bleu_score': 0.700582701860178, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8003310600937338812}, 'section': 'Section::::Abstract.'}]}]