CREATE TABLE table_17423 ("Number" FLOAT, "Builder" TEXT, "Built" TEXT, "Rebuilt" TEXT, "Name as rebuilt" TEXT, "Scrapped/Sold" TEXT)

What is the built data on the scrapped information that is cannot handle non-empty timestamp argument! 1947?
SELECT "Built" FROM table_17423 WHERE "Scrapped/Sold" = 'Cannot handle non-empty timestamp argument! 1947'
SELECT "Built" FROM "table_17423" WHERE "Scrapped/Sold" = 'Cannot handle non-empty timestamp argument! 1947'