Marin Čilić won a Masters 1000 title at the 2016 tournament held in what suburb of Cincinnati?
Marin Čilić career statistics:  To date, Čilić has won 16 ATP singles titles including one grand slam singles title at the 2014 US Open, one ATP Masters 1000 title at the 2016 Western & Southern Open and a record four titles at the PBZ Zagreb Indoors. 2016 Western &amp; Southern Open:  The tournament is held annually at the Lindner Family Tennis Center in Mason (a northern suburb of Cincinnati), Ohio, United States.
Mason