CREATE TABLE table_38513 ("Name" CLOB, "Type" CLOB, "Date" CLOB, "Condition" CLOB, "Ownership" CLOB)

What is the Date of the Courtyard Castle?
SELECT "Date" FROM table_38513 WHERE "Type" = 'courtyard castle'
SELECT "Date" FROM "table_38513" WHERE "Type" = 'courtyard castle'