Database: course_teach
Question: What are the names of the teachers and the courses they teach in ascending alphabetical order by the name of the teacher?
SQL: select t3.name ,  t2.course from course_arrange as t1 join course as t2 on t1.course_id  =  t2.course_id join teacher as t3 on t1.teacher_id  =  t3.teacher_id order by t3.name