How many authors of 'Head Pose Estimation and Augmented Reality Tracking: An Integrated System and Evaluation for Monitoring Driver Awareness' have University of California as their primary affiliation?
What is the count of authors of 'Head Pose Estimation and Augmented Reality Tracking: An Integrated System and Evaluation for Monitoring Driver Awareness' who have University of California, San Diego, USA as their primary affiliation?
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/tits/Murphy-ChutorianT10> <https://dblp.org/rdf/schema#authoredBy> ?answer . ?answer <https://dblp.org/rdf/schema#primaryAffiliation> 'University of California, San Diego, USA' }
<https://dblp.org/rec/journals/tits/Murphy-ChutorianT10>