Question:
Who was the head coach of the team SønderjyskE Fodbold in Mar, 2015?

Context:
 Glen Riddersholm is the head coach of SønderjyskE Fodbold from Feb, 2019 to May, 2021. 
 Jakob Michelsen is the head coach of SønderjyskE Fodbold from Jan, 2015 to Jan, 2016. 
 Michael Boris is the head coach of SønderjyskE Fodbold from Jul, 2021 to Nov, 2021.

Answer:
Jakob Michelsen