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_1414743_1 ( fte_teachers VARCHAR, pupil_teacher_ratio VARCHAR )

### Question ###
How many FTE teachers are there when the student:teacher ration is 19?

### Accurate SQL ###

SELECT fte_teachers FROM table_1414743_1 WHERE pupil_teacher_ratio = "19"