CREATE TABLE table_11257 ("Margin" FLOAT, "Opponent" TEXT, "Score" TEXT, "Venue" TEXT, "Date" TEXT)

On what date was the match against the St. George Illawarra Dragons?
SELECT "Date" FROM table_11257 WHERE "Opponent" = 'st. george illawarra dragons'
SELECT "Date" FROM "table_11257" WHERE "Opponent" = 'st. george illawarra dragons'