Question:
Who was the head coach of the team Arizona Diamondbacks in May, 2010?

Context:
 Kirk Gibson is the head coach of Arizona Diamondbacks from Jul, 2010 to Dec, 2022. 
 A. J. Hinch is the head coach of Arizona Diamondbacks from May, 2010 to Jun, 2010. 
 Bob Melvin is the head coach of Arizona Diamondbacks from Jan, 2001 to May, 2010. 
 Buck Showalter is the head coach of Arizona Diamondbacks from Jan, 1998 to Jan, 2000.

Answer:
Question:
Who was the head coach of the team Arizona Diamondbacks in May, 2010?

Context:
 Kirk Gibson is the head coach of Arizona Diamondbacks from Jul, 2010 to Dec, 2022. 
 A. J. Hinch is the head coach of Arizona Diamondbacks from May, 2010 to Jun, 2010. 
 Bob Melvin is the head coach of Arizona Diamondbacks from Jan, 2001 to May, 2010. 
 Buck Showalter is the head coach of Arizona Diamondbacks from Jan, 1998 to Jan, 2000.

Answer:
user
A. J. Hinch
assistant
Question:
Who was the head coach of the team Arizona Diamondbacks in May, 2010?

Context:
 Kirk Gibson is the head coach of Arizona Diamondbacks from Jul, 2010 to Dec, 2022. 
 A. J. Hinch is the head coach of Arizona Diamondbacks from May, 2010 to Jun, 2010. 
 Bob Melvin is the head coach of Arizona Diamondbacks from Jan, 2001 to May, 2010. 
 Buck Showalter is the head coach of Arizona Diamondbacks from Jan, 1998 to Jan, 2000.

Answer:
user
Kirk Gibson
Buck Showalter
Bob Melvin
Kirk Gibson
Buck Showalter
assistant
Question:
Who was the head coach of the team Arizona Diamondbacks in May, 2010?

Context:
 Kirk Gibson is the head coach of Arizona Diamondbacks from Jul, 2010 to Dec, 2022. 
 A. J. Hinch is the head coach of Arizona Diamondbacks from May, 2010 to Jun, 2010. 
 Bob Melvin is the head coach of Arizona Diamondbacks from Jan, 2001 to May, 2010. 
 Buck Showalter is the head coach of Arizona Diamondbacks from Jan, 1998 to Jan, 2000.

Answer:
user
A. J. Hinch
assistant