CREATE TABLE table_55591 ("Team 1" CLOB, "Agg." CLOB, "Team 2" CLOB, "1st leg" CLOB, "2nd leg" CLOB)

When Team 1 is Aalborg BK, what is the 1st Leg?
SELECT "1st leg" FROM table_55591 WHERE "Team 1" = 'aalborg bk'
SELECT "1st leg" FROM "table_55591" WHERE "Team 1" = 'aalborg bk'