Question: What are the first and last name of all biology professors?
SQL: SELECT T3.EMP_FNAME ,  T3.EMP_LNAME FROM professor AS T1 JOIN department AS T2 ON T1.dept_code  =  T2.dept_code JOIN employee AS T3 ON T1.EMP_NUM  =  T3.EMP_NUM WHERE DEPT_NAME  =  "Biology"