How many FTE teachers are there when the student:teacher ration is 19?
CREATE TABLE table_1414743_1 (
    fte_teachers VARCHAR,
    pupil_teacher_ratio VARCHAR
)
SELECT fte_teachers FROM table_1414743_1 WHERE pupil_teacher_ratio = "19"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many FTE teachers are there when the student:teacher ration is 19? ### Input: CREATE TABLE table_1414743_1 (
    fte_teachers VARCHAR,
    pupil_teacher_ratio VARCHAR
) ### Response: SELECT fte_teachers FROM table_1414743_1 WHERE pupil_teacher_ratio = "19"