original_query: Who is credited with designing the plan to defeat the dragon in Kraków?
query: Who is credited with designing the plan to defeat the Wawel Dragon?
answer: Different versions of the legend credit different individuals.  Wincenty Kadłubek's account credits King Krak's sons, while Jan Długosz credits King Krak himself.  Marcin Bielski's version credits Skuba the cobbler.