Question:
Who was the head coach of the team FC Astra Giurgiu in Jul, 2019?

Context:
 Dan Alexa is the head coach of FC Astra Giurgiu from Jun, 2019 to Oct, 2019. 
 Marius Măldărășanu is the head coach of FC Astra Giurgiu from Jun, 2018 to Sep, 2018. 
 Costel Enache is the head coach of FC Astra Giurgiu from Nov, 2018 to Jun, 2019. 
 Ionuț Badea is the head coach of FC Astra Giurgiu from May, 2021 to Jun, 2021. 
 Bogdan Andone is the head coach of FC Astra Giurgiu from Oct, 2019 to Sep, 2020. 
 Florin Stângă is the head coach of FC Astra Giurgiu from Jul, 2021 to Dec, 2022. 
 Gheorghe Mulțescu is the head coach of FC Astra Giurgiu from Sep, 2018 to Nov, 2018. 
 Edward Iordănescu is the head coach of FC Astra Giurgiu from Jun, 2017 to Apr, 2018.

Answer:
Dan Alexa