CREATE TABLE table_50629 ("Team #1" TEXT, "Agg." TEXT, "Team #2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

Who was Team #1 when Team #2 was galatasaray cc i stanbul?
SELECT "Team #1" FROM table_50629 WHERE "Team #2" = 'galatasaray cc i̇stanbul'
SELECT "Team #1" FROM "table_50629" WHERE "Team #2" = 'galatasaray cc i̇stanbul'