human
Schema:
list (LastName, FirstName, Grade, Classroom)
teachers (LastName, FirstName, Classroom)
Please answer with SQL.
assistant
Sure, I understand.
human
Find the name of the teacher who teaches the largest number of students.
assistant
SELECT T2.firstname , T2.lastname FROM list AS T1 JOIN teachers AS T2 ON T1.classroom = T2.classroom GROUP BY T2.firstname , T2.lastname ORDER BY COUNT( * ) DESC LIMIT 1;
human
What grade do they teach? | Here are the grades of the students taught by the teacher who teaches the largest number of students. | What is their class room?
assistant
SELECT T1.Classroom FROM list AS T1 JOIN teachers AS T2 ON T1.classroom = T2.classroom GROUP BY T2.firstname , T2.lastname ORDER BY COUNT( * ) DESC LIMIT 1 ;