Show the name of the teacher for the math course.
create table course_arrange (course_id varchar, teacher_id varchar, PRIMARY KEY (course_id)); create table course (course_id varchar, course varchar, PRIMARY KEY (course_id)); create table teacher (name varchar, teacher_id varchar, PRIMARY KEY (name))
select t3.name 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 where t2.course = "math"