<prompt> Björn Peter Pettersson ciwo kǝntagǝ Decemberbe 29 saa 1957 shima swedishbe bǝla kǝnzabe kǝla nzǝrtaliwu njibe wo, shiye medal konnube suwudǝna suro 4 × 200 m freestyle relay lan suro 1974 European Aquatics Championships lan  <response>: kǝla kǝnǝngabe. Saa indi ngawoye lan, saa 1976 Summer Olympics lan, shiye na kǝn yakkǝmi Swedenbe lan suro lamar shimadǝben. 