How many different affiliations do the authors of 'First in My Family: A Comparison of Subject-Related Role Identities by Parental Level of Education and Gender' have?
Count the different affiliations of the authors of 'First in My Family: A Comparison of Subject-Related Role Identities by Parental Level of Education and Gender'.
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { <https://dblp.org/rec/conf/fie/VerdinG21a> <https://dblp.org/rdf/schema#authoredBy> ?x . ?x <https://dblp.org/rdf/schema#primaryAffiliation> ?answer }
<https://dblp.org/rec/conf/fie/VerdinG21a>