Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_23 (district VARCHAR, area__km_2__ VARCHAR)
### Question:
What is the total population of the district of Klang, with an area larger than 636?
### Answer:
SELECT COUNT(2010 AS _population) FROM table_name_23 WHERE district = "klang" AND area__km_2__ > 636