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_189893_1 ( population__2006_ VARCHAR, mother_tongue VARCHAR )

### Question ###
What is every value for population (2006) with a Romanian mother tongue?

### Accurate SQL ###

SELECT population__2006_ FROM table_189893_1 WHERE mother_tongue = "Romanian"