How many districts in Baltimore City does Cheryl Glenn dictate?
CREATE TABLE "current_members_of_the_baltimore_city_de" (
  "district" real,
  "place_of_birth" text,
  "delegate" text,
  "party" text,
  "took_office" real,
  "committee" text
);
SELECT COUNT("district") FROM "current_members_of_the_baltimore_city_de" WHERE "place_of_birth"='baltimore city' AND "delegate"='cheryl glenn';