CREATE TABLE table_12563 ("Nat." CLOB, "Name" CLOB, "Status" CLOB, "Contract length" CLOB, "Expiry date" CLOB, "Source" CLOB)

What source has delph as the name?
SELECT "Source" FROM table_12563 WHERE "Name" = 'delph'
SELECT "Source" FROM "table_12563" WHERE "Name" = 'delph'