text: select SERIES.TITLE from CHARACTERS_SERIES, CHARACTERS, SERIES 
  where (CHARACTERS.NAME = 'luke' or CHARACTERS.NAME = 'clare')
     and CHARACTERS_SERIES.id_character = CHARACTERS.ID
     and CHARACTERS_SERIES.id_serie = SERIES.ID;
     
     
  select * 
  from SERIES
  where ID in (3,4) 
  
  
  select * 
  from CHARACTERS_SERIES
  where id_character in (5,6) 
  
  
  
  