Conversation so far:
who has won the most men's singles tennis titles
Roger Federer has won the most Grand Slam titles, most recently the Australian Open in 2018, with a total of 20.
what was Roger Federer's playing style
An elite athlete, Roger Federer is an all-court, all-around player known for his speed, fluid style of play, and exceptional shot making.
what is Roger Federer's equipment
Roger Federer plays with his signature Wilson Pro Staff RF97 Autograph racquet.
what is Roger Federer's ranking
Roger Federer is ranked world No. 4 in men's singles tennis by the Association of Tennis Professionals.

Question: where was the player born
Self-contained rewrite: where was Roger Federer born