Table: school_data
Columns: school_name
city
students
fte_teachers
pupil_teacher_ratio
school_level
low_grade
high_grade

Question: List all FTE middle school teachers in Sunnyvale.
SQL: SELECT "fte_teachers" FROM school_data WHERE "school_level" = 'Middle' AND "city" = 'Sunnyvale'

Question: What is the highest number of students with a teacher:student ratio of 20.8?
SQL: SELECT MAX("students") FROM school_data WHERE "pupil_teacher_ratio" = '20.8'

Question: How many FTE teachers are there when the student:teacher ration is 19?
SQL: SELECT "fte_teachers" FROM school_data WHERE "pupil_teacher_ratio" = '19'