Question: Which film has the director who is older than the other, Somewhere In Politics or So This Is London (1930 Film)? 
Sentence (from "So This Is London (1930 film)"): So This Is London is a 1930 American pre-Code comedy film directed by John G. Blystone and starring Will Rogers, Irene Rich, Frank Albertson and Lumsden Hare.
Relevant evidence: Yes