what is the first and last name of the profesor in biology department?
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"
first name of the professor refers to EMP_FNAME; last name of the professor refers to EMP_LNAME; in biology department refers to DEPT_NAME = 'Biology';