Which state had 3821 students in the fall of 06?
CREATE TABLE "geography_of_students" (
  "states" text,
  "fall_05" real,
  "fall_06" real,
  "fall_07" real,
  "fall_08" real,
  "fall_09" real
);
SELECT "states" FROM "geography_of_students" WHERE "fall_06"=3821;