Identify a DB2 column

Identify the column for TBSPACEID=XX, TABLEID=YY, COLNO=ZZ

SELECT tabschema, tabname, colname FROM SYSCAT.COLUMNS 
    WHERE colno=ZZ 
          AND (tabschema, tabname) IN 
(SELECT tabschema, tabname FROM SYSCAT.TABLES 
            WHERE tbspaceid=XX 
            AND tableid=YY)