Database: college_1
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 t2.emp_fname ,  t4.prof_office ,  t3.crs_description ,  t5.dept_name from class as t1 join employee as t2 on t1.prof_num  =  t2.emp_num join course as t3 on t1.crs_code  =  t3.crs_code join professor as t4 on t2.emp_num  =  t4.emp_num join department as t5 on t4.dept_code  =  t5.dept_code