CREATE TABLE table_57549 ("Player" CLOB, "Position" CLOB, "School" CLOB, "Hometown" CLOB, "MLB Draft" CLOB)

What MLB draft has a School of green valley high school?
SELECT "MLB Draft" FROM table_57549 WHERE "School" = 'green valley high school'
SELECT "MLB Draft" FROM "table_57549" WHERE "School" = 'green valley high school'