1663
Mark Koevermans (born 3 February 1968 in Rotterdam ) is a former tennis player from the Netherlands, who turned professional in 1987. He represented his native country as a lucky loser at the 1992 Summer Olympics in Barcelona, where he was defeated in the third round by Brazil's Jaime Oncins. The right-hander, nicknamed Koef, won one career title in singles (Athens, 1990). He reached his highest singles ATP-ranking on 27 May 1991, when he became the number 37 of the world.
 place of birth: Mark Koevermans, Rotterdam
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
 Entity Pairs:  Mark Koevermans, Rotterdam 
Answer:
 place of birth: Mark Koevermans, Rotterdam