Question:
Who was the chair of Arab League in Dec, 1990?

Context:
 Nabil Elaraby is the chair of Arab League from Jan, 2011 to Jan, 2016. 
 Abdul Khalek Hassouna is the chair of Arab League from Sep, 1952 to Jun, 1972. 
 Ahmed Aboul Gheit is the chair of Arab League from Jul, 2016 to Dec, 2022. 
 Chedli Klibi is the chair of Arab League from Mar, 1979 to Sep, 1990. 
 Abdul Rahman Hassan Azzam is the chair of Arab League from Mar, 1945 to Sep, 1952. 
 Amr Moussa is the chair of Arab League from Jan, 2001 to Jan, 2011. 
 Lion Lion is the chair of Arab League from Sep, 1990 to May, 1991. 
 Mahmoud Riad is the chair of Arab League from Jun, 1972 to Mar, 1979.

Answer:
Question:
Who was the chair of Arab League in Dec, 1990?

Context:
 Nabil Elaraby is the chair of Arab League from Jan, 2011 to Jan, 2016. 
 Abdul Khalek Hassouna is the chair of Arab League from Sep, 1952 to Jun, 1972. 
 Ahmed Aboul Gheit is the chair of Arab League from Jul, 2016 to Dec, 2022. 
 Chedli Klibi is the chair of Arab League from Mar, 1979 to Sep, 1990. 
 Abdul Rahman Hassan Azzam is the chair of Arab League from Mar, 1945 to Sep, 1952. 
 Amr Moussa is the chair of Arab League from Jan, 2001 to Jan, 2011. 
 Lion Lion is the chair of Arab League from Sep, 1990 to May, 1991. 
 Mahmoud Riad is the chair of Arab League from Jun, 1972 to Mar, 1979.

Answer:
user
Lion Lion
assistant
Question:
Who was the chair of Arab League in Dec, 1990?

Context:
 Nabil Elaraby is the chair of Arab League from Jan, 2011 to Jan, 2016. 
 Abdul Khalek Hassouna is the chair of Arab League from Sep, 1952 to Jun, 1972. 
 Ahmed Aboul Gheit is the chair of Arab League from Jul, 2016 to Dec, 2022. 
 Chedli Klibi is the chair of Arab League from Mar, 1979 to Sep, 1990. 
 Abdul Rahman Hassan Azzam is the chair of Arab League from Mar, 1945 to Sep, 1952. 
 Amr Moussa is the chair of Arab League from Jan, 2001 to Jan, 2011. 
 Lion Lion is the chair of Arab League from Sep, 1990 to May, 1991. 
 Mahmoud Riad is the chair of Arab League from Jun, 1972 to Mar, 1979.

Answer:
user
Mahmoud Riad
Nabil Elaraby
Amr Moussa
Abdul Khalek Hassouna
Chedli Klibi
Ahmed Aboul Gheit
Abdul Rahman Hassan Azzam
assistant
Question:
Who was the chair of Arab League in Dec, 1990?

Context:
 Nabil Elaraby is the chair of Arab League from Jan, 2011 to Jan, 2016. 
 Abdul Khalek Hassouna is the chair of Arab League from Sep, 1952 to Jun, 1972. 
 Ahmed Aboul Gheit is the chair of Arab League from Jul, 2016 to Dec, 2022. 
 Chedli Klibi is the chair of Arab League from Mar, 1979 to Sep, 1990. 
 Abdul Rahman Hassan Azzam is the chair of Arab League from Mar, 1945 to Sep, 1952. 
 Amr Moussa is the chair of Arab League from Jan, 2001 to Jan, 2011. 
 Lion Lion is the chair of Arab League from Sep, 1990 to May, 1991. 
 Mahmoud Riad is the chair of Arab League from Jun, 1972 to Mar, 1979.

Answer:
user
Lion Lion
assistant