Question: Find the first names and last names of the authors whose institution affiliation is "University of Oxford".
SQL: SELECT DISTINCT t1.fname ,  t1.lname FROM authors AS t1 JOIN authorship AS t2 ON t1.authid  =  t2.authid JOIN inst AS t3 ON t2.instid  =  t3.instid WHERE t3.name  =  "University of Oxford"