user: Question: What is the lowest pupil to teacher ratio for saratoga schools with smaller than 1213 students?
Columns: ['School Name', 'City', 'Students', 'FTE Teachers', 'Pupil/Teacher Ratio']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ['Boynton High School', 'San Jose', 280.0, 16.8, 16.7]
SQL:

assistant: SELECT MIN("Pupil/Teacher Ratio") FROM "Table" WHERE "City" = 'saratoga' AND "Students" < 1213.0;