Question: Has Sue Barker or Fabio Fognini been held the highest world ranking in tennis?
Sentence (from "Fabio Fognini"): Fabio Fognini (] ; born 24 May 1987) is an Italian professional tennis player who is currently ranked world No. 29 in men's singles by the Association of Tennis Professionals (ATP) and the current Italian No. 1.
Relevant evidence: Yes