SELECT  Uno.na, Uno.c
FROM sparqltable( SELECT ?na ?c
		 WHERE{ 
			?x rdf:type 'Course'.
			?x :courseName ?na.
			?x :credits ?c.
		} )Uno
WHERE Uno.na not in (

SELECT  Due.nam
FROM sparqltable( SELECT ?nam ?d
		  WHERE{ 
			?x rdf:type 'Project'.
			?x :Scope ?y.
			?y rdf:type 'Course'.
			?y :courseName ?nam.
			?x :presentationDate ?d.
		})Due
WHERE Due.d  BETWEEN '2004-01-01' and '2004-12-31' 
	)
