CREATE TABLE table_80245 ("Representative" TEXT, "Title" TEXT, "Presentation of Credentials" TEXT, "Termination of Mission" TEXT, "Appointed by" TEXT)

What was the Termination of Mission date for the ambassador who was appointed by Barack Obama?
SELECT "Termination of Mission" FROM table_80245 WHERE "Appointed by" = 'barack obama'
SELECT "Termination of Mission" FROM "table_80245" WHERE "Appointed by" = 'barack obama'