what are the software whose operating systems are ibm aix and ibm aix ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_operatingSystem dbr_IBM_AIX_ attr_open operating_system attr_close sep_dot var_uri dbo_operatingSystem dbr_IBM_AIX_ attr_open operating_system attr_close sep_dot var_uri a dbo_Software brack_close