CREATE TABLE table_204_336 (id DECIMAL, "operators" TEXT, "named trains" TEXT, "destination" TEXT, "year begun" TEXT, "year discontinued" DECIMAL)

which other traine , other than wall street , had philadelphia as a destination ?
SELECT "named trains" FROM table_204_336 WHERE "named trains" <> 'wall street' AND "destination" = 'philadelphia'
SELECT "named trains" FROM "table_204_336" WHERE "destination" = 'philadelphia' AND "named trains" <> 'wall street'