CREATE TABLE table_46498 ("Railway" TEXT, "Builder" TEXT, "Built" FLOAT, "Wheels" TEXT, "Location" TEXT, "ObjectNumber" TEXT)

Which Railway has a Location of shildon, and an ObjectNumber of 1978-7006?
SELECT "Railway" FROM table_46498 WHERE "Location" = 'shildon' AND "ObjectNumber" = '1978-7006'
SELECT "Railway" FROM "table_46498" WHERE "Location" = 'shildon' AND "ObjectNumber" = '1978-7006'