human
Schema:
list (LastName, FirstName, Grade, Classroom)
teachers (LastName, FirstName, Classroom)
Please answer with SQL.
assistant
Sure, I understand.
human
How many teachers are there?
assistant
SELECT COUNT( * ) FROM teachers;
human
Show me the classroom of OTHA MOYER.
assistant
SELECT classroom FROM teachers WHERE firstname = 'OTHA' AND lastname = 'MOYER';
human
What about classrooms other than that?
assistant
SELECT distinct classroom FROM list WHERE classroom NOT IN SELECT classroom FROM teachers WHERE firstname = 'OTHA' AND lastname = 'MOYER';
human
Give me the name of all first-grade students who are in any of those classrooms.
assistant
SELECT DISTINCT T1.firstname , T1.lastname FROM list AS T1 JOIN teachers AS T2 ON T1.classroom = T2.classroom WHERE T1.grade = 1 EXCEPT SELECT T1.firstname , T1.lastname FROM list AS T1 JOIN teachers AS T2 ON T1.classroom = T2.classroom WHERE T2.firstname = "OTHA" AND T2.lastname = "MOYER" ;