CREATE TABLE school(
 subject VARCHAR(40) PRIMARY KEY,
 grade INT,
 teacher VARCHAR(60));

INSERT INTO school(subject, grade, teacher) VALUES
 ("Математика", 5, "Никитина Е.Ф."),
 ("Химия", 4, "Менделеев Д.И."),
 ("Физика", 5, "Энштейн А."),
 ("Литература", 4, "Туртаева Н.В."),
 ("Русский язык", 3, "Туртаева Н.В."),
 ("Физ-ра", 5, "Конев Д.Н."),
 ("Английский язык", 4, "Лейзерова О.В.");
SELECT subject FROM school 
 WHERE grade = 5 
 ORDER BY subject;