CREATE TABLE table_5682 ("Gauge" TEXT, "Railway" TEXT, "Class" TEXT, "Works no." TEXT, "Year" TEXT, "Builder" TEXT)

Which railway has a class of 250 and year 1936?
SELECT "Railway" FROM table_5682 WHERE "Class" = '250' AND "Year" = '1936'
SELECT "Railway" FROM "table_5682" WHERE "Class" = '250' AND "Year" = '1936'