CREATE TABLE table_name_19 (pick NUMBER, player VARCHAR2, draft VARCHAR2)

What is the average pick of player paul maclean, who had a draft before 1978?
SELECT AVG(pick) FROM table_name_19 WHERE player = "paul maclean" AND draft < 1978
SELECT AVG("pick") FROM "table_name_19" WHERE "draft" < 1978 AND "paul maclean" = "player"