How many courses does the department of Computer Information Systmes offer?
SELECT count(*) FROM department AS T1 JOIN course AS T2 ON T1.dept_code  =  T2.dept_code WHERE dept_name  =  "Computer Info. Systems"
SELECT count(*) FROM department AS T1 JOIN course AS T2 ON T1.dept_code  =  T2.dept_code WHERE dept_name  =  "Computer Info. Systems"
[{'count(*)': 4}]