Question:
Who was the head of Munich in Apr, 1967?

Context:
 Jacob Bauer is the head of the government of Munich from Jan, 1838 to Aug, 1854. 
 Dieter Reiter is the head of the government of Munich from May, 2014 to Dec, 2022. 
 Josef von Teng is the head of the government of Munich from Jul, 1836 to Dec, 1837. 
 Karl Scharnagl is the head of the government of Munich from Jan, 1925 to Mar, 1933. 
 Georg Kronawitter is the head of the government of Munich from May, 1984 to Jun, 1993. 
 Jörg Kazmair is the head of the government of Munich from Jan, 1397 to Jan, 1417. 
 Johannes von Widenmayer is the head of the government of Munich from Feb, 1888 to Apr, 1893. 
 Kaspar von Steinsdorf is the head of the government of Munich from Oct, 1854 to May, 1870. 
 Erich Kiesl is the head of the government of Munich from May, 1978 to Apr, 1984. 
 Karl Fiehler is the head of the government of Munich from Mar, 1933 to Apr, 1945. 
 Wilhelm Ritter von Borscht is the head of the government of Munich from May, 1893 to Jun, 1919. 
 Hans-Jochen Vogel is the head of the government of Munich from May, 1960 to Jun, 1972. 
 Franz Paul von Mittermayr is the head of the government of Munich from Jan, 1804 to Jan, 1810. 
 Thomas Wimmer is the head of the government of Munich from Jul, 1948 to May, 1960. 
 Alois Erhardt is the head of the government of Munich from Jun, 1870 to Dec, 1887. 
 Eduard Schmid is the head of the government of Munich from Jun, 1919 to Dec, 1924. 
 Christian Ude is the head of the government of Munich from Sep, 1993 to Apr, 2014.

Answer:
Hans-Jochen Vogel