CREATE TABLE table_71674 ("Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

What is Team 1 Al-Hilal's Agg.?
SELECT "Agg." FROM table_71674 WHERE "Team 1" = 'al-hilal'
SELECT "Agg." FROM "table_71674" WHERE "Team 1" = 'al-hilal'