instruction: Show the number of professors who is in office DRE 102 hired in each month with a bar chart, list by the how many emp hiredate in asc.
response: SELECT EMP_HIREDATE, COUNT(EMP_HIREDATE) FROM EMPLOYEE AS T1 JOIN PROFESSOR AS T2 ON T1.EMP_NUM = T2.EMP_NUM WHERE T2.PROF_OFFICE = 'DRE 102' ORDER BY COUNT(EMP_HIREDATE)