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_17015_2 (no VARCHAR, population__2010_ VARCHAR)
### Question:
Name the number where population 2010 is 171906
### Answer:
SELECT no FROM table_17015_2 WHERE population__2010_ = 171906