Question: What tennis player, Simone Bolelli or  Andrés Gimeno Tolaguera, is a Grand Slam champion since he won the 2015 Australian Open doubles event with Fabio Fognini?
Sentence (from "Andrés Gimeno"): Andrés Gimeno Tolaguera (born 3 August 1937) is a retired Spanish tennis player.
Relevant evidence: Yes