List of mayors and chiefs of government of Buenos Aires
Chiefs of Government (1996–present)

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Portrait
Name (Birth–Death)
Term of office
Term of office
Political Party
Vice Chief (s)
Vice Chief (s)
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1
-
Fernando de la Rúa (born in 1937)
6 August 1996
10 December 1999
Radical Civic Union
-
Enrique Olivera
-
2
-
Enrique Olivera (1940–2014)
10 December 1999
5 August 2000
Radical Civic Union
-
vacant
-
3
Aníbal Ibarra.JPG
Aníbal Ibarra (born in 1958)
6 August 2000
7 March 2006
Frepaso
-
Cecilia Felgueras
-
3
Aníbal Ibarra.JPG
Aníbal Ibarra (born in 1958)
6 August 2000
7 March 2006
Frepaso
Jorge Telerman
-
-
4
-
Jorge Telerman (born in 1956)
7 March 2006
10 December 2007
Frepaso
-
vacant
-
5
-
Mauricio Macri (born in 1959)
10 December 2007
9 December 2015
Republican Proposal
-
Gabriela Michetti
-
5
-
Mauricio Macri (born in 1959)
10 December 2007
9 December 2015
Republican Proposal
María Eugenia Vidal
-
-
6
-
Horacio Rodríguez Larreta (born in 1965)
9 December 2015
Incumbent
Republican Proposal
-
Diego Santilli

Question: Who was Jorge Telerman and who did he replace between 2006 and 2007?
Answer: Jorge Telerman was the fourth Chief of Government of Buenos Aires and replaced Aníbal Ibarra between 2006 and 2007.