Below is an instruction that describes a task. Write a response that appropriately completes the request.

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

### Inputs:
table_name: table, columns: ['School Name', 'City', 'Students', 'FTE Teachers', 'Pupil/Teacher Ratio', 'School Level', 'Low Grade', 'High Grade']

### Response:
SELECT FTE Teachers FROM table WHERE Pupil/Teacher Ratio = 19