CREATE TABLE table_6141 ("Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

What is the 1st leg of the team with a 2-1 agg.?
SELECT "1st leg" FROM table_6141 WHERE "Agg." = '2-1'
SELECT "1st leg" FROM "table_6141" WHERE "Agg." = '2-1'