Who are all the assistant principals that served from 2013-2014 under the principal Cort Monroe?
CREATE TABLE "elementary_schools_grades_k_6" (
  "elementary_schools" text,
  "mascot" text,
  "address" text,
  "principal_2013_2014" text,
  "assistant_principal_2013_2014" text
);
SELECT "assistant_principal_2013_2014" FROM "elementary_schools_grades_k_6" WHERE "principal_2013_2014"='Cort Monroe';