CREATE TABLE table_41843 ("Class" TEXT, "Wheels" FLOAT, "Date" TEXT, "Builder" TEXT, "No. built" FLOAT, "1919 nos." TEXT, "LMS Class" TEXT, "LMS nos." TEXT)

What is the value for the item 'Class' when the value of the item 'Wheels' is 137?
SELECT "Class" FROM table_41843 WHERE "Wheels" = '137'
SELECT "Class" FROM "table_41843" WHERE "Wheels" = '137'