CREATE TABLE table_50164 ("Team #1" TEXT, "Points" TEXT, "Team #2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

What is 1st Leg, when Team #2 is 'Emelec'?
SELECT "1st leg" FROM table_50164 WHERE "Team #2" = 'emelec'
SELECT "1st leg" FROM "table_50164" WHERE "Team #2" = 'emelec'