Question: How many singles titles on the ATP tour have been won by the person who replaced Teymuraz Gabashvili as inaugural champion?
Sentence (from "Dominic Thiem"): Dominic Thiem (] ; born 3 September 1993) is an Austrian professional tennis player who has an ATP high ranking of world No. 7 which he first achieved on 6 June 2016.
Relevant evidence: No