Question: who sang on don't leave me this way
[{'answer': 'Thelma Houston', 'provenance': [{'wikipedia_id': '7035320', 'title': "Don't Leave Me This Way", 'start_paragraph_id': 1, 'start_character': 313, 'end_paragraph_id': 1, 'end_character': 327, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the Communards', 'provenance': [{'wikipedia_id': '7035320', 'title': "Don't Leave Me This Way", 'start_paragraph_id': 20, 'start_character': 58, 'end_paragraph_id': 20, 'end_character': 72, 'bleu_score': 1.0, 'section': 'Section::::Cover versions.\n'}]}, {'answer': 'Harold Melvin & the Blue Notes'}, {'provenance': [{'wikipedia_id': '7035320', 'title': "Don't Leave Me This Way", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 401, 'bleu_score': 0.9075342801721581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9614550435563949852}, 'section': 'Section::::Abstract.'}]}]