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_12496904_1 (population_density_2012__km_2__ INTEGER, sector VARCHAR)
### Question:
What is the population density for 2012 for Gatunda sector?
### Answer:
SELECT MIN(population_density_2012__km_2__) FROM table_12496904_1 WHERE sector = "Gatunda"