Question: who ruled china during the tiananmen square protests of 1989
[{'answer': 'Deng Xiaoping', 'provenance': [{'wikipedia_id': '44534', 'title': '1989 Tiananmen Square protests', 'start_paragraph_id': 3, 'start_character': 329, 'end_paragraph_id': 3, 'end_character': 342, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]