CREATE TABLE table_21070 ("Team #1" TEXT, "Points" TEXT, "Team #2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

If team two is San Lorenzo, how many were on team one?
SELECT COUNT("Team #1") FROM table_21070 WHERE "Team #2" = 'San Lorenzo'
SELECT COUNT("Team #1") FROM "table_21070" WHERE "Team #2" = 'San Lorenzo'