CREATE TABLE table_204_749 (id DECIMAL, "courthouse" TEXT, "city" TEXT, "street address" TEXT, "jurisdiction" TEXT, "dates of use" TEXT, "named for" DECIMAL)

when was the building at 10 court street built ?
SELECT "dates of use" FROM table_204_749 WHERE "street address" = '10 court street'
SELECT "dates of use" FROM "table_204_749" WHERE "street address" = '10 court street'