Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_55593 ( "Team 1" text, "Agg." text, "Team 2" text, "1st leg" text, "2nd leg" text )

### Question ###
When Aalborg BK is Team 1, what is the 1st leg?

### Accurate SQL ###

SELECT "1st leg" FROM table_55593 WHERE "Team 1" = 'aalborg bk'