Generate a correct and concise answer for the question based on the words in the context.

Context : The RPG-16 was developed in 1968, and adopted by the Soviet Army in 1970 for special operation teams and the Soviet airborne troops (VDV). 
Question : What year was the service entry date for RPG-16?
1970

Context : ``Miss Emma Peel (song, text/lyrics on Pet Your Friends''. karaoketexty.cz. Shark Inferno (2015). ``Puncture''. ``Emma Peel - Play Emma For Me''. discogs.com. Pussy Galore (1996). ``Sympathy For the Record Industry''. Sympathy Records. ``Flat is Beautiful''. Food Network. Sources Alvarez, Maria (1998), ``Feminist icon in a catsuit (female lead character Emma Peel in defunct 1960s UK TV series 'The Avengers')'', New Statesman, Aug 14. Cornell, Paul; Day, Martin; & Topping, Keith (1998). The Avengers Dossier. London: Virgin Books. ISBN 0-86369-754-2. Lars Baumgart (2002): DAS KONZEPT EMMA PEEL -- Der unerwartete Charme der Emanzipation: THE AVENGERS und ihr Publikum. Kiel: Verlag Ludwig -- ISBN 978-3-933598-40-0 
Question : What is the sex of Emma Peel?
female

Context : X-FEN is an extension of Forsyth-Edwards Notation (FEN). 
Question : Which is the basis of X-FEN?

Forsyth-Edwards Notation