user: Question: Which Hanyu Pinyin has a GDP in 2011 larger than 688.02 billion yuan and a regional population of 8,700,400 in 2010?
Columns: ['City', 'Hanzi', 'Hanyu Pinyin', 'Regional Population(2010)', 'GDP(2011)(billion yuan)']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Shanghai', '上海', 'Shànghǎi', '23,019,148', 1919.57]
SQL:

assistant: SELECT "Hanyu Pinyin" FROM "Table" WHERE "GDP(2011)(billion yuan)" > 688.02 AND "Regional Population(2010)" = '8,700,400';