CREATE TABLE table_66251 ("Class" TEXT, "Wheel arrangement" TEXT, "Fleet number ( s ) " TEXT, "Manufacturer" TEXT, "Serial numbers" TEXT, "Year made" TEXT, "Quantity made" TEXT, "Quantity preserved" TEXT)

What is the Year for fleet number 5000?
SELECT "Year made" FROM table_66251 WHERE "Fleet number(s)" = '5000'
SELECT "Year made" FROM "table_66251" WHERE "Fleet number(s)" = '5000'