Question:
Who was the chair of GroenLinks in Nov, 1998?

Context:
 Mirjam de Rijk is the chair of GroenLinks from Feb, 1999 to Feb, 2003. 
 Eduard van Zuijlen is the chair of GroenLinks from Oct, 2012 to Mar, 2013. 
 Herman Meijer is the chair of GroenLinks from Feb, 2003 to Apr, 2006. 
 Ina Brouwer is the chair of GroenLinks from May, 1998 to Feb, 1999. 
 Rik Grashoff is the chair of GroenLinks from Mar, 2013 to May, 2015. 
 Katinka Eikelenboom is the chair of GroenLinks from Apr, 2019 to Dec, 2022. 
 Marjan Lucas is the chair of GroenLinks from May, 1994 to Jan, 1995. 
 Marjolein Meijer is the chair of GroenLinks from May, 2015 to Apr, 2016. 
 Jeroen Postma is the chair of GroenLinks from Jun, 2018 to Apr, 2019. 
 Marijke Vos is the chair of GroenLinks from Nov, 1990 to May, 1994. 
 Heleen Weening is the chair of GroenLinks from Feb, 2012 to Oct, 2012. 
 Henk Nijhof is the chair of GroenLinks from May, 2006 to Feb, 2007. 
 Ab Harrewijn is the chair of GroenLinks from Jan, 1995 to May, 1998.

Answer:
Question:
Who was the chair of GroenLinks in Nov, 1998?

Context:
 Mirjam de Rijk is the chair of GroenLinks from Feb, 1999 to Feb, 2003. 
 Eduard van Zuijlen is the chair of GroenLinks from Oct, 2012 to Mar, 2013. 
 Herman Meijer is the chair of GroenLinks from Feb, 2003 to Apr, 2006. 
 Ina Brouwer is the chair of GroenLinks from May, 1998 to Feb, 1999. 
 Rik Grashoff is the chair of GroenLinks from Mar, 2013 to May, 2015. 
 Katinka Eikelenboom is the chair of GroenLinks from Apr, 2019 to Dec, 2022. 
 Marjan Lucas is the chair of GroenLinks from May, 1994 to Jan, 1995. 
 Marjolein Meijer is the chair of GroenLinks from May, 2015 to Apr, 2016. 
 Jeroen Postma is the chair of GroenLinks from Jun, 2018 to Apr, 2019. 
 Marijke Vos is the chair of GroenLinks from Nov, 1990 to May, 1994. 
 Heleen Weening is the chair of GroenLinks from Feb, 2012 to Oct, 2012. 
 Henk Nijhof is the chair of GroenLinks from May, 2006 to Feb, 2007. 
 Ab Harrewijn is the chair of GroenLinks from Jan, 1995 to May, 1998.

Answer:
user
Ina Brouwer
assistant
Question:
Who was the chair of GroenLinks in Nov, 1998?

Context:
 Mirjam de Rijk is the chair of GroenLinks from Feb, 1999 to Feb, 2003. 
 Eduard van Zuijlen is the chair of GroenLinks from Oct, 2012 to Mar, 2013. 
 Herman Meijer is the chair of GroenLinks from Feb, 2003 to Apr, 2006. 
 Ina Brouwer is the chair of GroenLinks from May, 1998 to Feb, 1999. 
 Rik Grashoff is the chair of GroenLinks from Mar, 2013 to May, 2015. 
 Katinka Eikelenboom is the chair of GroenLinks from Apr, 2019 to Dec, 2022. 
 Marjan Lucas is the chair of GroenLinks from May, 1994 to Jan, 1995. 
 Marjolein Meijer is the chair of GroenLinks from May, 2015 to Apr, 2016. 
 Jeroen Postma is the chair of GroenLinks from Jun, 2018 to Apr, 2019. 
 Marijke Vos is the chair of GroenLinks from Nov, 1990 to May, 1994. 
 Heleen Weening is the chair of GroenLinks from Feb, 2012 to Oct, 2012. 
 Henk Nijhof is the chair of GroenLinks from May, 2006 to Feb, 2007. 
 Ab Harrewijn is the chair of GroenLinks from Jan, 1995 to May, 1998.

Answer:
user
Rik Grashoff
Marjolein Meijer
Mirjam de Rijk
Katinka Eikelenboom
Ab Harrewijn
Eduard van Zuijlen
Marjan Lucas
Herman Meijer
Jeroen Postma
Henk Nijhof
Heleen Weening
Marijke Vos
assistant
Question:
Who was the chair of GroenLinks in Nov, 1998?

Context:
 Mirjam de Rijk is the chair of GroenLinks from Feb, 1999 to Feb, 2003. 
 Eduard van Zuijlen is the chair of GroenLinks from Oct, 2012 to Mar, 2013. 
 Herman Meijer is the chair of GroenLinks from Feb, 2003 to Apr, 2006. 
 Ina Brouwer is the chair of GroenLinks from May, 1998 to Feb, 1999. 
 Rik Grashoff is the chair of GroenLinks from Mar, 2013 to May, 2015. 
 Katinka Eikelenboom is the chair of GroenLinks from Apr, 2019 to Dec, 2022. 
 Marjan Lucas is the chair of GroenLinks from May, 1994 to Jan, 1995. 
 Marjolein Meijer is the chair of GroenLinks from May, 2015 to Apr, 2016. 
 Jeroen Postma is the chair of GroenLinks from Jun, 2018 to Apr, 2019. 
 Marijke Vos is the chair of GroenLinks from Nov, 1990 to May, 1994. 
 Heleen Weening is the chair of GroenLinks from Feb, 2012 to Oct, 2012. 
 Henk Nijhof is the chair of GroenLinks from May, 2006 to Feb, 2007. 
 Ab Harrewijn is the chair of GroenLinks from Jan, 1995 to May, 1998.

Answer:
user
Ina Brouwer
assistant