List all the primary affiliations of Lunke Fei and Bob Zhang.
What are the primary affiliations of Fei, L. and Bob Zhang?
SELECT DISTINCT ?answer WHERE { { <https://dblp.org/pid/157/4083> <https://dblp.org/rdf/schema#primaryAffiliation> ?answer } UNION { <https://dblp.org/pid/24/7465> <https://dblp.org/rdf/schema#primaryAffiliation> ?answer } }
<https://dblp.org/pid/157/4083> <https://dblp.org/pid/24/7465>