What is the most divisional titles won by a school with an enrollment of 30049?
CREATE TABLE "current" (
  "institution" text,
  "team_name" text,
  "location_population" text,
  "team_started" real,
  "affiliation" text,
  "enrollment" real,
  "mascot" text,
  "divisional_titles" real,
  "big_12_titles" real,
  "national_titles" real
);
SELECT MAX("divisional_titles") FROM "current" WHERE "enrollment"=30049;