CREATE TABLE table_name_56 (round INT, position VARCHAR, player VARCHAR)

What is the average round at which is the position of Tight End and Randy Bethel?
SELECT AVG(round) FROM table_name_56 WHERE position = "tight end" AND player = "randy bethel"
SELECT AVG("round") FROM "table_name_56" WHERE "player" = "randy bethel" AND "position" = "tight end"