Question:
Who was the chair of Community of Portuguese Language Countries in May, 1997?

Context:
 Maria do Carmo Silveira is the chair of Community of Portuguese Language Countries from Jan, 2017 to Jan, 2018. 
 Francisco Ribeiro Telles is the chair of Community of Portuguese Language Countries from Jan, 2019 to Dec, 2022. 
 Dulce Gamito Pereira is the chair of Community of Portuguese Language Countries from Jan, 2000 to Jan, 2002. 
 Murade Isaac Murargy is the chair of Community of Portuguese Language Countries from Jan, 2012 to Jan, 2016. 
 Marcolino Moco is the chair of Community of Portuguese Language Countries from Jan, 1996 to Jan, 2000. 
 João Augusto de Médicis is the chair of Community of Portuguese Language Countries from Jan, 2002 to Jan, 2004. 
 Luís de Matos Monteiro da Fonseca is the chair of Community of Portuguese Language Countries from Jan, 2004 to Jan, 2008. 
 Domingos Simoes Pereira is the chair of Community of Portuguese Language Countries from Jan, 2008 to Jan, 2012.

Answer:
Question:
Who was the chair of Community of Portuguese Language Countries in May, 1997?

Context:
 Maria do Carmo Silveira is the chair of Community of Portuguese Language Countries from Jan, 2017 to Jan, 2018. 
 Francisco Ribeiro Telles is the chair of Community of Portuguese Language Countries from Jan, 2019 to Dec, 2022. 
 Dulce Gamito Pereira is the chair of Community of Portuguese Language Countries from Jan, 2000 to Jan, 2002. 
 Murade Isaac Murargy is the chair of Community of Portuguese Language Countries from Jan, 2012 to Jan, 2016. 
 Marcolino Moco is the chair of Community of Portuguese Language Countries from Jan, 1996 to Jan, 2000. 
 João Augusto de Médicis is the chair of Community of Portuguese Language Countries from Jan, 2002 to Jan, 2004. 
 Luís de Matos Monteiro da Fonseca is the chair of Community of Portuguese Language Countries from Jan, 2004 to Jan, 2008. 
 Domingos Simoes Pereira is the chair of Community of Portuguese Language Countries from Jan, 2008 to Jan, 2012.

Answer:
user
Marcolino Moco
assistant
Question:
Who was the chair of Community of Portuguese Language Countries in May, 1997?

Context:
 Maria do Carmo Silveira is the chair of Community of Portuguese Language Countries from Jan, 2017 to Jan, 2018. 
 Francisco Ribeiro Telles is the chair of Community of Portuguese Language Countries from Jan, 2019 to Dec, 2022. 
 Dulce Gamito Pereira is the chair of Community of Portuguese Language Countries from Jan, 2000 to Jan, 2002. 
 Murade Isaac Murargy is the chair of Community of Portuguese Language Countries from Jan, 2012 to Jan, 2016. 
 Marcolino Moco is the chair of Community of Portuguese Language Countries from Jan, 1996 to Jan, 2000. 
 João Augusto de Médicis is the chair of Community of Portuguese Language Countries from Jan, 2002 to Jan, 2004. 
 Luís de Matos Monteiro da Fonseca is the chair of Community of Portuguese Language Countries from Jan, 2004 to Jan, 2008. 
 Domingos Simoes Pereira is the chair of Community of Portuguese Language Countries from Jan, 2008 to Jan, 2012.

Answer:
user
Murade Isaac Murargy
Francisco Ribeiro Telles
João Augusto de Médicis
Domingos Simoes Pereira
Luís de Matos Monteiro da Fonseca
Maria do Carmo Silveira
Dulce Gamito Pereira
assistant
Question:
Who was the chair of Community of Portuguese Language Countries in May, 1997?

Context:
 Maria do Carmo Silveira is the chair of Community of Portuguese Language Countries from Jan, 2017 to Jan, 2018. 
 Francisco Ribeiro Telles is the chair of Community of Portuguese Language Countries from Jan, 2019 to Dec, 2022. 
 Dulce Gamito Pereira is the chair of Community of Portuguese Language Countries from Jan, 2000 to Jan, 2002. 
 Murade Isaac Murargy is the chair of Community of Portuguese Language Countries from Jan, 2012 to Jan, 2016. 
 Marcolino Moco is the chair of Community of Portuguese Language Countries from Jan, 1996 to Jan, 2000. 
 João Augusto de Médicis is the chair of Community of Portuguese Language Countries from Jan, 2002 to Jan, 2004. 
 Luís de Matos Monteiro da Fonseca is the chair of Community of Portuguese Language Countries from Jan, 2004 to Jan, 2008. 
 Domingos Simoes Pereira is the chair of Community of Portuguese Language Countries from Jan, 2008 to Jan, 2012.

Answer:
user
Marcolino Moco
assistant