Database: college_1_minus_1_0
Question: What are the first names, office locations, and departments of all instructors, and also what are the descriptions of the courses they teach?
SQL: select t1.emp_fname , t3.prof_office , t2.crs_description , t4.dept_name from class_employee as t1 join course as t2 on t1.crs_code = t2.crs_code join professor as t3 on t1.prof_num = t3.emp_num join department as t4 on t3.dept_code = t4.dept_code