Count the different affiliations of the authors of 'Designing an Intelligent Virtual Agent for Social Communication in Autism'.
How many different affiliations do the authors of 'Designing an Intelligent Virtual Agent for Social Communication in Autism' have?
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { <https://dblp.org/rec/conf/aiide/BernardiniPS13> <https://dblp.org/rdf/schema#authoredBy> ?x . ?x <https://dblp.org/rdf/schema#primaryAffiliation> ?answer }
<https://dblp.org/rec/conf/aiide/BernardiniPS13>