CREATE TABLE table_38511 ("Name" CLOB, "Type" CLOB, "Date" CLOB, "Condition" CLOB, "Ownership" CLOB)

What is the Date of the castle with a Historic Scotland Ownership?
SELECT "Date" FROM table_38511 WHERE "Ownership" = 'historic scotland'
SELECT "Date" FROM "table_38511" WHERE "Ownership" = 'historic scotland'