What is the land area of Hopewell parish in km2?
CREATE TABLE "albert_county_new_brunswick" (
  "official_name" text,
  "status" text,
  "area_km_2" text,
  "population" real,
  "census_ranking" text
);
SELECT "area_km_2" FROM "albert_county_new_brunswick" WHERE "official_name"='Hopewell';