Which rail network that was established in 2007 and serves a large part of Greater London also manages and serves Kensington?
Kensington (Olympia) station: Kensington (Olympia) is a combined rail and tube station between Kensington and West Kensington on the boundary of west and central London. Kensington (Olympia) station:  It is managed and served by London Overground and also served by Southern and London Underground. London Overground:  Established in 2007, it serves a large part of Greater London and parts of Hertfordshire, with 112 stations on several routes.
i don't know