How many papers did the authors of 'The roles of FPGAs in reprogrammable systems' publish in Proc. IEEE?
Mention the count of papers published by the authors of 'The roles of FPGAs in reprogrammable systems' in Proc. IEEE.
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/pieee/Hauck98> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#publishedIn> 'Proc. IEEE' }
<https://dblp.org/rec/journals/pieee/Hauck98>