CREATE TABLE table_21445 ("Team #1" TEXT, "Points" TEXT, "Team #2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

When they played Universidad de Chile, what was the score of the first leg?
SELECT COUNT("1st leg") FROM table_21445 WHERE "Team #2" = 'Universidad de Chile'
SELECT COUNT("1st leg") FROM "table_21445" WHERE "Team #2" = 'Universidad de Chile'