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_21 (density__hab__km²__ VARCHAR, population_under_1_year_old_censo_2007_hab_ VARCHAR)
### Question:
What is the density (hab/km²) with a population under 1 year-old censo 2007(hab) of * data from the census taken by the Inei?
### Answer:
SELECT density__hab__km²__ FROM table_name_21 WHERE population_under_1_year_old_censo_2007_hab_ = "* data from the census taken by the inei"