How many areas (km 2) have 151511 as the census 2006 population?
CREATE TABLE table_1966992_1 (
    area__km_2__ VARCHAR,
    census_2006_population VARCHAR
)
SELECT COUNT(area__km_2__) FROM table_1966992_1 WHERE census_2006_population = 151511
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: How many areas (km 2) have 151511 as the census 2006 population? ### Input: CREATE TABLE table_1966992_1 (
    area__km_2__ VARCHAR,
    census_2006_population VARCHAR
) ### Response: SELECT COUNT(area__km_2__) FROM table_1966992_1 WHERE census_2006_population = 151511