CREATE TABLE table_10088 ("Number" FLOAT, "Name" TEXT, "Year Built" TEXT, "Boat Builder" TEXT, "Current Status" TEXT)

What year did J. Jones, trearddur bay build a boat with a current status of tbsc?
SELECT "Year Built" FROM table_10088 WHERE "Current Status" = 'tbsc' AND "Boat Builder" = 'j. jones, trearddur bay'
SELECT "Year Built" FROM "table_10088" WHERE "Boat Builder" = 'j. jones, trearddur bay' AND "Current Status" = 'tbsc'