Which course authors teach two or more courses? Give me their addresses and author IDs.
return course authors ;return courses #1 teach ;return number of  #2 for each  #1 ;return #1 where #3 is  at least two ;return addresses of  #4 ;return author IDs of  #4 ;return #5 ,  #6
['select', 'project', 'group', 'comparative', 'project', 'project', 'union']