Question:
Who was the chair of Security Service of Ukraine in Mar, 2020?

Context:
 Vasyl Hrytsak is the chair of Security Service of Ukraine from Jul, 2015 to Jun, 2019. 
 Volodymyr Radchenko is the chair of Security Service of Ukraine from Jul, 1995 to Apr, 1998. 
 Wałerij Malikow is the chair of Security Service of Ukraine from Jul, 1994 to Jul, 1995. 
 Ihor Smeshko is the chair of Security Service of Ukraine from Sep, 2003 to Feb, 2005. 
 Oleksandr Turchynov is the chair of Security Service of Ukraine from Feb, 2005 to Sep, 2005. 
 Yevhen Marchuk is the chair of Security Service of Ukraine from Nov, 1991 to Jul, 1994. 
 Oleksandr Yakymenko is the chair of Security Service of Ukraine from Jan, 2013 to Feb, 2014. 
 Igor Kalinin is the chair of Security Service of Ukraine from Feb, 2012 to Jan, 2013. 
 Ivan Bakanov is the chair of Security Service of Ukraine from Aug, 2019 to Jul, 2022. 
 Nikolai Golushko is the chair of Security Service of Ukraine from Sep, 1991 to Nov, 1991. 
 Leonid Derkach is the chair of Security Service of Ukraine from Apr, 1998 to Feb, 2001. 
 Valentyn Nalyvaichenko is the chair of Security Service of Ukraine from Dec, 2006 to Mar, 2010. 
 Ihor Drizhchany is the chair of Security Service of Ukraine from Sep, 2005 to Dec, 2006. 
 Valeriy Khoroshkovskyi is the chair of Security Service of Ukraine from Mar, 2010 to Jan, 2012.

Answer:
Ivan Bakanov