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_name_15 ( country VARCHAR, first_store VARCHAR )

### Question ###
Which country had the first store in the year 2007?

### Accurate SQL ###

SELECT country FROM table_name_15 WHERE first_store = "2007"