Which Hanzi has a Regional Population of 4,591,972 in 2010?
CREATE TABLE table_name_92 (
    hanzi VARCHAR,
    regional_population_2010_ VARCHAR
)
SELECT hanzi FROM table_name_92 WHERE regional_population_2010_ = "4,591,972"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Which Hanzi has a Regional Population of 4,591,972 in 2010? ### Input: CREATE TABLE table_name_92 (
    hanzi VARCHAR,
    regional_population_2010_ VARCHAR
) ### Response: SELECT hanzi FROM table_name_92 WHERE regional_population_2010_ = "4,591,972"