CREATE TABLE table_35934 ("Round" FLOAT, "Pick" FLOAT, "Player" TEXT, "Position" TEXT, "School/Club Team" TEXT)

What is the highest round of Ed Smith, who had a pick higher than 261 and played halfback?
SELECT MAX("Round") FROM table_35934 WHERE "Pick" < '261' AND "Position" = 'halfback' AND "Player" = 'ed smith'
SELECT MAX("Round") FROM "table_35934" WHERE "Pick" < '261' AND "Player" = 'ed smith' AND "Position" = 'halfback'