CREATE TABLE table_name_78 (round INT, player VARCHAR, pick VARCHAR, position VARCHAR)

What is the highest round of Ed Smith, who had a pick higher than 261 and played halfback?
SELECT MAX(round) FROM table_name_78 WHERE pick < 261 AND position = "halfback" AND player = "ed smith"
SELECT MAX("round") FROM "table_name_78" WHERE "ed smith" = "player" AND "halfback" = "position" AND "pick" < 261