SELECT DISTINCT Q.n, Q.c
FROM sparqltable( SELECT ?d ?n ?c
		  WHERE{ 	?x rdf:type 'AlreadyExtraction'.
			?x :Executor ?y.
			?y rdf:type 'Person'.
			?x :dataEx ?d.
			?y :name ?n.
			?y :surname ?c.			
         		                 }
	   )Q
WHERE Q.d BETWEEN '2003-01-01' AND '2003-12-31'
