CREATE TABLE table_42421 ("Pick" FLOAT, "Player" TEXT, "Country of origin*" TEXT, "PBA team" TEXT, "College" TEXT)

What is the sum of the pick numbers for the player that went to San Miguel Beermen who played at San Sebastian?
SELECT SUM("Pick") FROM table_42421 WHERE "PBA team" = 'san miguel beermen' AND "College" = 'san sebastian'
SELECT SUM("Pick") FROM "table_42421" WHERE "College" = 'san sebastian' AND "PBA team" = 'san miguel beermen'