CREATE TABLE table_36490 ("Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

What is Team 1 where Team 2 is al tahrir?
SELECT "Team 1" FROM table_36490 WHERE "Team 2" = 'al tahrir'
SELECT "Team 1" FROM "table_36490" WHERE "Team 2" = 'al tahrir'