CREATE TABLE table_4437 ("Pick #" FLOAT, "MLS team" TEXT, "Player" TEXT, "Position" TEXT, "Affiliation" TEXT)

Tell me the total number of pick for university of virginia
SELECT COUNT("Pick #") FROM table_4437 WHERE "Affiliation" = 'university of virginia'
SELECT COUNT("Pick #") FROM "table_4437" WHERE "Affiliation" = 'university of virginia'