Northwestern is a large, residential research university. Accredited by the North Central Association of Colleges and Schools and the respective national professional organizations for chemistry, psychology, business, education, journalism, music, engineering, law, and medicine, the university offers 124 undergraduate programs and 145 graduate and professional programs. Northwestern conferred 2,190 bachelor's degrees, 3,272 master's degrees, 565 doctoral degrees, and 444 professional degrees in 2012–2013.

Answer this question, if possible (if impossible, reply "unanswerable"): How many graduate and professional programs are offered by Northwestern?
145