On what date were more than 5 built with 4-4-2 wheels?
CREATE TABLE "1905_1911" (
  "class" text,
  "wheels" text,
  "date" text,
  "no_built" real,
  "loco_nos" text
);
SELECT "date" FROM "1905_1911" WHERE "wheels"='4-4-2' AND "no_built">5;