Mention the number of papers that Toum, E. has published.
How many papers has Ezequiel Toum published?
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/300/9778> }
<https://dblp.org/pid/300/9778>