Question: What geography do both Paolo Nespoli and Soyuz TMA-20 have in common?
Sentence (from "Soyuz TMA-20"): Soyuz TMA-20's crew represented half of the members of Expedition 27; the other three members of the expedition arrived at the station on board Soyuz TMA-21 on April 6, 2011.
Relevant evidence: No