How many professors have a Ph.D. in each department?
SELECT count(*) ,  dept_code FROM professor WHERE prof_high_degree  =  'Ph.D.' GROUP BY dept_code
SELECT count(*) ,  dept_code FROM professor WHERE prof_high_degree  =  'Ph.D.' GROUP BY dept_code
[{'count(*)': 3, 'DEPT_CODE': 'ACCT'}, {'count(*)': 1, 'DEPT_CODE': 'ART'}, {'count(*)': 2, 'DEPT_CODE': 'BIOL'}, {'count(*)': 3, 'DEPT_CODE': 'CIS'}, {'count(*)': 1, 'DEPT_CODE': 'ECON/FIN'}, {'count(*)': 2, 'DEPT_CODE': 'ENG'}, {'count(*)': 1, 'DEPT_CODE': 'HIST'}, {'count(*)': 2, 'DEPT_CODE': 'MATH'}, {'count(*)': 1, 'DEPT_CODE': 'MKT/MGT'}, {'count(*)': 1, 'DEPT_CODE': 'PSYCH'}, {'count(*)': 1, 'DEPT_CODE': 'SOC'}]