Who played in Maryland the same year that Deep Run Valley LL Hilltown played in Pennsylvania?
CREATE TABLE "regional_championship" (
  "year" real,
  "delaware" text,
  "maryland" text,
  "new_jersey" text,
  "new_york" text,
  "pennsylvania" text,
  "washington_d_c" text
);
SELECT "maryland" FROM "regional_championship" WHERE "pennsylvania"='Deep Run Valley LL Hilltown';