I'm working on a project to build a photographic database using SQL. I need help coming up with 5 non-trivial queries that can be run. I am working with the following ERD:

If someone could give me five suggestions for non-trivial queries that could be executed for this database, I would appreciate it!

PHOTOGRAPHER PICTURE PicID PholD PictureName Color Theme SizeID Date SourcelD FirstName LastName OSourcelD PIC SIZE SizelD Length Width SOURCE Source!D Website Location