Question:
Who was the head of Ehime Prefecture in Jun, 1948?

Context:
 Sadatake Hisamatsu is the head of the government of Ehime Prefecture from May, 1951 to Jan, 1971. 
 Moriyuki Kato is the head of the government of Ehime Prefecture from Jan, 1999 to Nov, 2010. 
 Haruki Shiraishi is the head of the government of Ehime Prefecture from Jan, 1971 to Jan, 1987. 
 Sadayuki Iga is the head of the government of Ehime Prefecture from Jan, 1987 to Jan, 1999. 
 Shigetomi Aoki is the head of the government of Ehime Prefecture from Apr, 1947 to Apr, 1951. 
 Tokihiro Nakamura is the head of the government of Ehime Prefecture from Dec, 2010 to Dec, 2022.

Answer:
Question:
Who was the head of Ehime Prefecture in Jun, 1948?

Context:
 Sadatake Hisamatsu is the head of the government of Ehime Prefecture from May, 1951 to Jan, 1971. 
 Moriyuki Kato is the head of the government of Ehime Prefecture from Jan, 1999 to Nov, 2010. 
 Haruki Shiraishi is the head of the government of Ehime Prefecture from Jan, 1971 to Jan, 1987. 
 Sadayuki Iga is the head of the government of Ehime Prefecture from Jan, 1987 to Jan, 1999. 
 Shigetomi Aoki is the head of the government of Ehime Prefecture from Apr, 1947 to Apr, 1951. 
 Tokihiro Nakamura is the head of the government of Ehime Prefecture from Dec, 2010 to Dec, 2022.

Answer:
user
Shigetomi Aoki
assistant
Question:
Who was the head of Ehime Prefecture in Jun, 1948?

Context:
 Sadatake Hisamatsu is the head of the government of Ehime Prefecture from May, 1951 to Jan, 1971. 
 Moriyuki Kato is the head of the government of Ehime Prefecture from Jan, 1999 to Nov, 2010. 
 Haruki Shiraishi is the head of the government of Ehime Prefecture from Jan, 1971 to Jan, 1987. 
 Sadayuki Iga is the head of the government of Ehime Prefecture from Jan, 1987 to Jan, 1999. 
 Shigetomi Aoki is the head of the government of Ehime Prefecture from Apr, 1947 to Apr, 1951. 
 Tokihiro Nakamura is the head of the government of Ehime Prefecture from Dec, 2010 to Dec, 2022.

Answer:
user
Tokihiro Nakamura
Haruki Shiraishi
Sadayuki Iga
Moriyuki Kato
Sadatake Hisamatsu
assistant
Question:
Who was the head of Ehime Prefecture in Jun, 1948?

Context:
 Sadatake Hisamatsu is the head of the government of Ehime Prefecture from May, 1951 to Jan, 1971. 
 Moriyuki Kato is the head of the government of Ehime Prefecture from Jan, 1999 to Nov, 2010. 
 Haruki Shiraishi is the head of the government of Ehime Prefecture from Jan, 1971 to Jan, 1987. 
 Sadayuki Iga is the head of the government of Ehime Prefecture from Jan, 1987 to Jan, 1999. 
 Shigetomi Aoki is the head of the government of Ehime Prefecture from Apr, 1947 to Apr, 1951. 
 Tokihiro Nakamura is the head of the government of Ehime Prefecture from Dec, 2010 to Dec, 2022.

Answer:
user
Shigetomi Aoki
assistant