In what year did Easton LL Easton play in Maryland?
CREATE TABLE "regional_championship" (
  "year" real,
  "delaware" text,
  "maryland" text,
  "new_jersey" text,
  "new_york" text,
  "pennsylvania" text,
  "washington_d_c" text
);
SELECT COUNT("year") FROM "regional_championship" WHERE "maryland"='Easton LL Easton';