SELECT Publisher FROM publication WHERE Price  >  10000000 INTERSECT SELECT Publisher FROM publication WHERE Price  <  5000000
Show the publishers that have publications with price higher than 10000000 and publications with price lower than 5000000.
[Schema (values) (types)]: | book_2 |  publication : publication_id (text) , book_id (number) , publisher (number) , publication_date (text) , price (text) | book : book_id (text) , title (number) , issues (number) , writer (text);