Question:
Who was the head coach of the team S.K. Sturm Graz in Jul, 2015?

Context:
 Nestor El Maestro is the head coach of S.K. Sturm Graz from Jul, 2019 to Jun, 2020. 
 Franco Foda is the head coach of S.K. Sturm Graz from Sep, 2014 to Dec, 2017. 
 Christian Ilzer is the head coach of S.K. Sturm Graz from Jul, 2020 to Dec, 2022. 
 Heiko Vogel is the head coach of S.K. Sturm Graz from Jan, 2018 to Nov, 2018.

Answer:
Question:
Who was the head coach of the team S.K. Sturm Graz in Jul, 2015?

Context:
 Nestor El Maestro is the head coach of S.K. Sturm Graz from Jul, 2019 to Jun, 2020. 
 Franco Foda is the head coach of S.K. Sturm Graz from Sep, 2014 to Dec, 2017. 
 Christian Ilzer is the head coach of S.K. Sturm Graz from Jul, 2020 to Dec, 2022. 
 Heiko Vogel is the head coach of S.K. Sturm Graz from Jan, 2018 to Nov, 2018.

Answer:
user
Franco Foda
assistant
Question:
Who was the head coach of the team S.K. Sturm Graz in Jul, 2015?

Context:
 Nestor El Maestro is the head coach of S.K. Sturm Graz from Jul, 2019 to Jun, 2020. 
 Franco Foda is the head coach of S.K. Sturm Graz from Sep, 2014 to Dec, 2017. 
 Christian Ilzer is the head coach of S.K. Sturm Graz from Jul, 2020 to Dec, 2022. 
 Heiko Vogel is the head coach of S.K. Sturm Graz from Jan, 2018 to Nov, 2018.

Answer:
user
Heiko Vogel
Nestor El Maestro
Christian Ilzer
assistant
Question:
Who was the head coach of the team S.K. Sturm Graz in Jul, 2015?

Context:
 Nestor El Maestro is the head coach of S.K. Sturm Graz from Jul, 2019 to Jun, 2020. 
 Franco Foda is the head coach of S.K. Sturm Graz from Sep, 2014 to Dec, 2017. 
 Christian Ilzer is the head coach of S.K. Sturm Graz from Jul, 2020 to Dec, 2022. 
 Heiko Vogel is the head coach of S.K. Sturm Graz from Jan, 2018 to Nov, 2018.

Answer:
user
Franco Foda
assistant