CREATE TABLE table_name_39 (score NUMBER, place VARCHAR2, player VARCHAR2)

What is the average score of player lee trevino, who has a t8 place?
SELECT AVG(score) FROM table_name_39 WHERE place = "t8" AND player = "lee trevino"
SELECT AVG("score") FROM "table_name_39" WHERE "lee trevino" = "player" AND "place" = "t8"