Question:
Who was the head coach of the team Columbus Crew in Mar, 2017?

Context:
 Caleb Porter is the head coach of Columbus Crew from Jan, 2019 to Dec, 2022. 
 Brian Bliss is the head coach of Columbus Crew from Sep, 2013 to Nov, 2013. 
 Robert Warzycha is the head coach of Columbus Crew from Dec, 2008 to Sep, 2013. 
 Gregg Berhalter is the head coach of Columbus Crew from Nov, 2013 to Dec, 2018. 
 Timo Liekoski is the head coach of Columbus Crew from Dec, 1995 to Aug, 1996. 
 Sigi Schmid is the head coach of Columbus Crew from Oct, 2005 to Dec, 2008. 
 Greg Andrulis is the head coach of Columbus Crew from May, 2001 to Jul, 2005.

Answer:
Question:
Who was the head coach of the team Columbus Crew in Mar, 2017?

Context:
 Caleb Porter is the head coach of Columbus Crew from Jan, 2019 to Dec, 2022. 
 Brian Bliss is the head coach of Columbus Crew from Sep, 2013 to Nov, 2013. 
 Robert Warzycha is the head coach of Columbus Crew from Dec, 2008 to Sep, 2013. 
 Gregg Berhalter is the head coach of Columbus Crew from Nov, 2013 to Dec, 2018. 
 Timo Liekoski is the head coach of Columbus Crew from Dec, 1995 to Aug, 1996. 
 Sigi Schmid is the head coach of Columbus Crew from Oct, 2005 to Dec, 2008. 
 Greg Andrulis is the head coach of Columbus Crew from May, 2001 to Jul, 2005.

Answer:
user
Gregg Berhalter
assistant
Question:
Who was the head coach of the team Columbus Crew in Mar, 2017?

Context:
 Caleb Porter is the head coach of Columbus Crew from Jan, 2019 to Dec, 2022. 
 Brian Bliss is the head coach of Columbus Crew from Sep, 2013 to Nov, 2013. 
 Robert Warzycha is the head coach of Columbus Crew from Dec, 2008 to Sep, 2013. 
 Gregg Berhalter is the head coach of Columbus Crew from Nov, 2013 to Dec, 2018. 
 Timo Liekoski is the head coach of Columbus Crew from Dec, 1995 to Aug, 1996. 
 Sigi Schmid is the head coach of Columbus Crew from Oct, 2005 to Dec, 2008. 
 Greg Andrulis is the head coach of Columbus Crew from May, 2001 to Jul, 2005.

Answer:
user
Caleb Porter
Greg Andrulis
Brian Bliss
Sigi Schmid
Timo Liekoski
Robert Warzycha
assistant
Question:
Who was the head coach of the team Columbus Crew in Mar, 2017?

Context:
 Caleb Porter is the head coach of Columbus Crew from Jan, 2019 to Dec, 2022. 
 Brian Bliss is the head coach of Columbus Crew from Sep, 2013 to Nov, 2013. 
 Robert Warzycha is the head coach of Columbus Crew from Dec, 2008 to Sep, 2013. 
 Gregg Berhalter is the head coach of Columbus Crew from Nov, 2013 to Dec, 2018. 
 Timo Liekoski is the head coach of Columbus Crew from Dec, 1995 to Aug, 1996. 
 Sigi Schmid is the head coach of Columbus Crew from Oct, 2005 to Dec, 2008. 
 Greg Andrulis is the head coach of Columbus Crew from May, 2001 to Jul, 2005.

Answer:
user
Gregg Berhalter
assistant