How many professors who are from either Accounting or Biology department?
SELECT count(*) FROM professor AS T1 JOIN department AS T2 ON T1.dept_code  =  T2.dept_code WHERE T2.dept_name  =  'Accounting' OR T2.dept_name  =  'Biology'
SELECT count(*) FROM professor AS T1 JOIN department AS T2 ON T1.dept_code  =  T2.dept_code WHERE T2.dept_name  =  'Accounting' OR T2.dept_name  =  'Biology'
[{'count(*)': 5}]