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_2331549_1 ( host_city VARCHAR, host_school VARCHAR )

### Question ###
What was the host city in years where the host school was cole de technologie sup rieure?

### Accurate SQL ###

SELECT host_city FROM table_2331549_1 WHERE host_school = "École de technologie supérieure"