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 Apartments (apt_number VARCHAR, room_count VARCHAR)

### Question ###
Return all the apartment numbers sorted by the room count in ascending order.

### Accurate SQL ###

SELECT apt_number FROM Apartments ORDER BY room_count