Which author named Sadaoki published the paper on Speech recognition?
Name the author who published the paper on Speech recognition and has the name Sadaoki.
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/interspeech/IwanoSF02> <https://dblp.org/rdf/schema#authoredBy> ?answer }
<https://dblp.org/rec/conf/interspeech/IwanoSF02>