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_21821014_1 (installation_date VARCHAR, location VARCHAR)
### Question:
What was the installation date in El Paso, Texas? 
### Answer:
SELECT installation_date FROM table_21821014_1 WHERE location = "El Paso, Texas"