Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_1373542_1 ( date_completed VARCHAR, date_announced VARCHAR )

### Question ###
On what date was the asset acquisition that was announced on February 22, 2007 completed?

### Accurate SQL ###

SELECT date_completed FROM table_1373542_1 WHERE date_announced = "February 22, 2007"