In which year was the first paper by Chaumartin, F. published?
Find the year in which Chaumartin, F. published their first paper.
SELECT DISTINCT MIN(xsd:integer(?answer)) AS ?answer WHERE { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/73/9273> . ?x <https://dblp.org/rdf/schema#yearOfPublication> ?answer }
<https://dblp.org/pid/73/9273>