CREATE TABLE table_204_419 (id DECIMAL, "year" TEXT, "tournament" TEXT, "venue" TEXT, "played" DECIMAL, "won" DECIMAL, "lost" DECIMAL, "tied" DECIMAL, "n/r" DECIMAL, "result" TEXT)

which was the last tournament australia played in sharjah ?
SELECT "tournament" FROM table_204_419 WHERE "venue" = 'sharjah' ORDER BY "year" DESC LIMIT 1
SELECT "tournament" FROM "table_204_419" WHERE "venue" = 'sharjah' ORDER BY "year" DESC NULLS LAST LIMIT 1