Write a query to display the book number, title, subject, and cost for all books that are on the subjects of “Middleware” or “Cloud,” and that cost more than $70, sorted by book number (Figure P7.69). 

Figure P7.69 Expensive Middleware or Cloud Books BOOK NUM BOOK TITLE 5236 Database in the Cloud 5245 The Golden Road to Platform independence 5250 Reengineering the Middle Tier BOOK SUBJECT BOOK_COST Cloud Middleware Middleware 79.95 119.95 89.95