Question:
Who was the head coach of the team Legia Warsaw in May, 2006?

Context:
 Stefan Białas is the head coach of Legia Warsaw from Mar, 2010 to May, 2010. 
 Ryszard Koncewicz is the head coach of Legia Warsaw from Jan, 1956 to Dec, 1958. 
 Krzysztof Gawara is the head coach of Legia Warsaw from Oct, 2004 to Dec, 2004. 
 Władysław Stachurski is the head coach of Legia Warsaw from Jul, 1996 to Jun, 1997. 
 Stjepan Bobek is the head coach of Legia Warsaw from Apr, 1959 to Dec, 1959. 
 Jerzy Engel is the head coach of Legia Warsaw from Jul, 1985 to Aug, 1987. 
 Jacek Zieliński is the head coach of Legia Warsaw from Apr, 2007 to Jun, 2007. 
 Edmund Zientara is the head coach of Legia Warsaw from Jul, 1969 to Jul, 1971. 
 Dariusz Wdowczyk is the head coach of Legia Warsaw from Sep, 2005 to Apr, 2007. 
 Ricardo Sá Pinto is the head coach of Legia Warsaw from Aug, 2018 to Mar, 2019. 
 Czesław Michniewicz is the head coach of Legia Warsaw from Sep, 2020 to Oct, 2021. 
 Józef Kałuża is the head coach of Legia Warsaw from May, 1930 to Jul, 1930. 
 Paweł Janas is the head coach of Legia Warsaw from Jan, 1994 to Jun, 1996. 
 Henning Berg is the head coach of Legia Warsaw from Dec, 2013 to Oct, 2015. 
 Maciej Skorża is the head coach of Legia Warsaw from Jun, 2010 to May, 2012. 
 Lucjan Brychczy is the head coach of Legia Warsaw from Oct, 2004 to Dec, 2004. 
 Franciszek Smuda is the head coach of Legia Warsaw from Sep, 1999 to Mar, 2001. 
 Longin Janeczek is the head coach of Legia Warsaw from Jul, 1965 to Jun, 1966. 
 Kosta Runjaić is the head coach of Legia Warsaw from May, 2022 to Dec, 2022. 
 Romeo Jozak is the head coach of Legia Warsaw from Sep, 2017 to Apr, 2018. 
 Stanislav Cherchesov is the head coach of Legia Warsaw from Oct, 2015 to Jun, 2016. 
 Rudolf Kapera is the head coach of Legia Warsaw from Jul, 1989 to Apr, 1990. 
 Edward Drabiński is the head coach of Legia Warsaw from Feb, 1948 to Sep, 1948. 
 Jan Urban is the head coach of Legia Warsaw from Jun, 2007 to Mar, 2010. 
 Besnik Hasi is the head coach of Legia Warsaw from Jun, 2016 to Sep, 2016. 
 Stanisław Mielech is the head coach of Legia Warsaw from Jul, 1933 to Sep, 1933. 
 Janusz Wójcik is the head coach of Legia Warsaw from Aug, 1992 to Jan, 1994. 
 Janos Steiner is the head coach of Legia Warsaw from Feb, 1954 to Dec, 1955. 
 Wacław Kuchar is the head coach of Legia Warsaw from Jul, 1949 to Dec, 1953. 
 Dragan Okuka is the head coach of Legia Warsaw from Mar, 2001 to Jun, 2003. 
 Jerzy Kopa is the head coach of Legia Warsaw from Apr, 1998 to Jan, 1999. 
 Kazimierz Górski is the head coach of Legia Warsaw from Jul, 1981 to Dec, 1982. 
 Dariusz Kubicki is the head coach of Legia Warsaw from Jun, 1999 to Sep, 1999. 
 Aleksandar Vuković is the head coach of Legia Warsaw from Dec, 2021 to May, 2022. 
 Karol Hanke is the head coach of Legia Warsaw from Mar, 1936 to Nov, 1936. 
 Jacek Magiera is the head coach of Legia Warsaw from Sep, 2016 to Sep, 2017. 
 Andrzej Strejlau is the head coach of Legia Warsaw from Dec, 1987 to Jun, 1989. 
 Jaroslav Vejvoda is the head coach of Legia Warsaw from Jul, 1973 to Jul, 1975. 
 Krzysztof Etmanowicz is the head coach of Legia Warsaw from Aug, 1991 to Aug, 1992. 
 Dean Klafurić is the head coach of Legia Warsaw from Apr, 2018 to Aug, 2018.

Answer:
Dariusz Wdowczyk