instruction: The hardest class is what ?
response: SELECT DISTINCT course.name, course.number, program_course.workload FROM course, program_course WHERE course.department = 'EECS' AND program_course.course_id = course.course_id AND program_course.workload = (SELECT MAX(PROGRAM_COURSEalias1.workload) FROM course AS COURSEalias1, program_course AS PROGRAM_COURSEalias1 WHERE COURSEalias1.course_id = PROGRAM_COURSEalias1.course_id AND COURSEalias1.department = 'EECS')