CREATE TABLE table_203_778 (id DECIMAL, "representative" TEXT, "title" TEXT, "presentation\ of credentials" TEXT, "termination\ of mission" TEXT, "appointed by" TEXT)

which envoy was the first appointed by woodrow wilson ?
SELECT "representative" FROM table_203_778 WHERE "appointed by" = 'woodrow wilson' ORDER BY "termination\nof mission" LIMIT 1
SELECT "representative" FROM "table_203_778" WHERE "appointed by" = 'woodrow wilson' ORDER BY "termination\nof mission" NULLS FIRST LIMIT 1