What is the 2004 population for 山海关区?
CREATE TABLE table_name_46 (population__2004_est_ VARCHAR, hanzi VARCHAR)
SELECT population__2004_est_ FROM table_name_46 WHERE hanzi = "山海关区"
### Context: CREATE TABLE table_name_46 (population__2004_est_ VARCHAR, hanzi VARCHAR) ### Question: What is the 2004 population for 山海关区? ### Answer: SELECT population__2004_est_ FROM table_name_46 WHERE hanzi = "山海关区"