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.
i don't know