Question:
Who was the chair of Nigerian Federal Ministry of Education in Dec, 2006?

Context:
 Ruqayyah Ahmed Rufa'i is the chair of Nigerian Federal Ministry of Education from Apr, 2010 to Sep, 2013. 
 Obiageli Katryn Ezekwesili is the chair of Nigerian Federal Ministry of Education from Jun, 2006 to Apr, 2007. 
 Adamu Adamu is the chair of Nigerian Federal Ministry of Education from Nov, 2015 to Dec, 2022. 
 Sam Egwu is the chair of Nigerian Federal Ministry of Education from Dec, 2008 to Mar, 2010. 
 Ibrahim Shekarau is the chair of Nigerian Federal Ministry of Education from Jan, 2014 to Jan, 2015. 
 Igwe Aja-Nwachukwu is the chair of Nigerian Federal Ministry of Education from Jun, 2007 to Dec, 2008.

Answer:
Question:
Who was the chair of Nigerian Federal Ministry of Education in Dec, 2006?

Context:
 Ruqayyah Ahmed Rufa'i is the chair of Nigerian Federal Ministry of Education from Apr, 2010 to Sep, 2013. 
 Obiageli Katryn Ezekwesili is the chair of Nigerian Federal Ministry of Education from Jun, 2006 to Apr, 2007. 
 Adamu Adamu is the chair of Nigerian Federal Ministry of Education from Nov, 2015 to Dec, 2022. 
 Sam Egwu is the chair of Nigerian Federal Ministry of Education from Dec, 2008 to Mar, 2010. 
 Ibrahim Shekarau is the chair of Nigerian Federal Ministry of Education from Jan, 2014 to Jan, 2015. 
 Igwe Aja-Nwachukwu is the chair of Nigerian Federal Ministry of Education from Jun, 2007 to Dec, 2008.

Answer:
user
Obiageli Katryn Ezekwesili
assistant
Question:
Who was the chair of Nigerian Federal Ministry of Education in Dec, 2006?

Context:
 Ruqayyah Ahmed Rufa'i is the chair of Nigerian Federal Ministry of Education from Apr, 2010 to Sep, 2013. 
 Obiageli Katryn Ezekwesili is the chair of Nigerian Federal Ministry of Education from Jun, 2006 to Apr, 2007. 
 Adamu Adamu is the chair of Nigerian Federal Ministry of Education from Nov, 2015 to Dec, 2022. 
 Sam Egwu is the chair of Nigerian Federal Ministry of Education from Dec, 2008 to Mar, 2010. 
 Ibrahim Shekarau is the chair of Nigerian Federal Ministry of Education from Jan, 2014 to Jan, 2015. 
 Igwe Aja-Nwachukwu is the chair of Nigerian Federal Ministry of Education from Jun, 2007 to Dec, 2008.

Answer:
user
Sam Egwu
Adamu Adamu
Ruqayyah Ahmed Rufa'i
Ibrahim Shekarau
Igwe Aja-Nwachukwu
assistant
Question:
Who was the chair of Nigerian Federal Ministry of Education in Dec, 2006?

Context:
 Ruqayyah Ahmed Rufa'i is the chair of Nigerian Federal Ministry of Education from Apr, 2010 to Sep, 2013. 
 Obiageli Katryn Ezekwesili is the chair of Nigerian Federal Ministry of Education from Jun, 2006 to Apr, 2007. 
 Adamu Adamu is the chair of Nigerian Federal Ministry of Education from Nov, 2015 to Dec, 2022. 
 Sam Egwu is the chair of Nigerian Federal Ministry of Education from Dec, 2008 to Mar, 2010. 
 Ibrahim Shekarau is the chair of Nigerian Federal Ministry of Education from Jan, 2014 to Jan, 2015. 
 Igwe Aja-Nwachukwu is the chair of Nigerian Federal Ministry of Education from Jun, 2007 to Dec, 2008.

Answer:
user
Obiageli Katryn Ezekwesili
assistant