Question: What year did the acress who portrayed Lady Prudence Shackleton on Downton Abbey join the board of the Mind the Gap Theatre?
Sentence (from "Personnel of the Shackleton–Rowett Expedition"): Under the command of Frank Wild several attempts were made to break through the Antarctic pack ice, but the expedition was never able to proceed further than longitude 20°E. On the crew's return to Cape Town to refit in preparation for the second term they were ordered home.
Relevant evidence: No