CREATE TABLE table_53041 ("Round" FLOAT, "Pick" FLOAT, "Player" TEXT, "Nationality" TEXT, "School" TEXT)

What is the mean pick when the play is Marc Lewis (lhp) and the round is less than 20?
SELECT AVG("Pick") FROM table_53041 WHERE "Player" = 'marc lewis (lhp)' AND "Round" < '20'
SELECT AVG("Pick") FROM "table_53041" WHERE "Player" = 'marc lewis (lhp)' AND "Round" < '20'