Question: Find the first names of all professors in the Accounting department who is teaching some course and the class room.
SQL: SELECT T2.emp_fname ,  T1.class_room FROM CLASS AS T1 JOIN employee AS T2 ON T1.prof_num  =  T2.emp_num JOIN professor AS T3 ON T2.emp_num  =  T3.emp_num JOIN department AS T4 ON T4.dept_code  =  T3.dept_code WHERE T4.dept_name  =  'Accounting'