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?
SQL: SELECT "Hanyu Pinyin" FROM "2-1300302-1" WHERE "GDP(2011)(billion yuan)" > 688.02 AND "Regional Population(2010)" = '8,700,400';

Question: Which Hanzi has a Regional Population of 4,591,972 in 2010?
SQL: SELECT "Hanzi" FROM "2-1300302-1" WHERE "Regional Population(2010)" = '4,591,972';