Question: holiday inn express is part of what chain
[{'answer': 'InterContinental Hotels Group plc', 'provenance': [{'wikipedia_id': '1134282', 'title': 'InterContinental Hotels Group', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 33, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]