<prompt> Feleletša polelo e latelago: Nakong ya leuba la 1853-54, Farr o ile a kgoboketša bohlatse bjo bo oketšegilego bja dipalopalo. Nakong ya go ithuta ka go tsepelela ga  <response>: Go phatlalala ga kholera kua Broad Street ka 1854, ngaka John Snow o ile a diriša tsebišo yeo e neilwego ke GRO 