Task: Text to Code
Input (English): SQL: SELECT Max ( Age ) , Min ( Age ) FROM Student WHERE city_code = "NYC"
Feedback: Replace age with grade point in both .
Output (English): SELECT max(T2.gradepoint) ,  min(T2.gradepoint) FROM ENROLLED_IN AS T1 JOIN GRADECONVERSION AS T2 JOIN STUDENT AS T3 ON T1.Grade  =  T2.lettergrade AND T1.StuID  =  T3.StuID WHERE T3.city_code  =  "NYC"