question: Who designed the German bomber which used the SC250 bomb to notable effect ?
answer: Hermann Pohlmann
context: Title: Junkers Ju 87
  Passage: The Junkers Ju 87 or Stuka (from "Sturzkampfflugzeug", "dive bomber") was a German dive bomber and ground-attack aircraft.  Designed by Hermann Pohlmann, it first flew in 1935.  The Ju 87 made its combat debut in 1937 with the Luftwaffe's Condor Legion during the Spanish Civil War and served the Axis forces in World War II.
  Title: Junkers Ju 288
  Passage: The Junkers Ju 288, originally known within the Junkers firm as the EF 074, was a German bomber project designed during World War II, which only ever flew in prototype form.  The first of 22 development aircraft flew on 29 November 1940.
  Title: SC250 bomb
  Passage: The SC 250 ("Sprengbombe Cylindrisch 250") was an air-dropped general purpose high-explosive bomb built by Germany during World War II and used extensively during that period.  It could be carried by almost all German bomber aircraft, and was used to notable effect by the Junkers Ju 87 "Stuka" ("Sturzkampfflugzeug" or dive-bomber).  The bomb's weight was about 250 kg, from which its designation was derived.
citations: SC250 bomb Junkers Ju 87