instruction: What is the number of times that Prof. Thomas Buchmueller has taught 386 ?
response: SELECT COUNT(*) FROM course, course_offering, instructor, offering_instructor WHERE course.course_id = course_offering.course_id AND course.number = 386 AND instructor.name LIKE '%Thomas Buchmueller%' AND offering_instructor.instructor_id = instructor.instructor_id AND offering_instructor.offering_id = course_offering.offering_id