CREATE TABLE table_41507 ("Number" FLOAT, "Name" TEXT, "Builder" TEXT, "Type" TEXT, "Date" TEXT, "Works number" TEXT)

What was the name for the locomotive with a type of 2-8-0 and a number of 20?
SELECT "Name" FROM table_41507 WHERE "Type" = '2-8-0' AND "Number" = '20'
SELECT "Name" FROM "table_41507" WHERE "Number" = '20' AND "Type" = '2-8-0'