Question: Find the first name and office of the professor who is in the history department and has a Ph.D. degree.
SQL: SELECT T1.emp_fname ,  T2.prof_office FROM employee AS T1 JOIN professor AS T2 ON T1.emp_num  =  T2.emp_num JOIN department AS T3 ON T3.dept_code  =  T2.dept_code WHERE T3.dept_name  =  'History' AND T2.prof_high_degree  =  'Ph.D.'