In 2009, how many papers did the authors of 'Colored Pebble Motion on Graphs (Extended Abstract)' publish?
How many papers did the authors of 'Colored Pebble Motion on Graphs (Extended Abstract)' publish in 2009?
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/endm/FujitaNS09> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#yearOfPublication> '2009' }
<https://dblp.org/rec/journals/endm/FujitaNS09>