CREATE TABLE table_38508 ("Name" TEXT, "Type" TEXT, "Date" TEXT, "Condition" TEXT, "Ownership" TEXT)

What is the Name of the Historic House of the 18th Century?
SELECT "Name" FROM table_38508 WHERE "Type" = 'historic house' AND "Date" = '18th century'
SELECT "Name" FROM "table_38508" WHERE "Date" = '18th century' AND "Type" = 'historic house'