What is the maximum number of associate professors when there are more than 5 assistant professors and fewer than 14 professors?
CREATE TABLE "ntua_academic_staff_per_school" (
  "lecturers" real,
  "associate_professors" real,
  "assistant_professors" real,
  "professors" real,
  "total" real
);
SELECT MAX("associate_professors") FROM "ntua_academic_staff_per_school" WHERE "assistant_professors">5 AND "professors"<14;