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_1966992_1 (area__km_2__ VARCHAR, census_2006_population VARCHAR)
### Question:
How many areas (km 2) have 151511 as the census 2006 population?
### Answer:
SELECT COUNT(area__km_2__) FROM table_1966992_1 WHERE census_2006_population = 151511