CREATE TABLE table_45857 ("Number" FLOAT, "Artist" CLOB, "Album" CLOB, "Average score" FLOAT, "Number of reviews" CLOB)

What is the average number for Black Milk?
SELECT AVG("Number") FROM table_45857 WHERE "Artist" = 'black milk'
SELECT AVG("Number") FROM "table_45857" WHERE "Artist" = 'black milk'