Generate a correct and concise answer for the question based on the words in the context.
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Question: Context : She committed suicide at the age of 21 on March 17,1974, because of a constant blackmailing from Kunchako,who caught some accidental nude clips of Vijayasree during a bath scene song 'Valliyoor Kaavile' from the movie Ponnapuram Kotta.Kunchako is the director of that movie.There is also a mention of an interview that Vijayasree had given to Nana Film Weekly in 1973 ( presumably post the month of March 1973, when Ponnapuram Kotta was released ) where she lashes out at this certain ``respectable'' Producer-Director who has ended up being a Monster and her career-nemesis.It is also said that Kunchako (with the support of his brother Navodaya Appachan) murdered Vijayasree.After two years,Kunchako dies on the fifth death anniversary of legendary malayalam actor Sathyan.Kunchako's Udaya Studios faced heavy losses later. 
Question : In one word, how did Vijayasree die?

Answer: suicide


Question: 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?

Answer: 1970


Question: Context : The Doorbell Rang is a Nero Wolfe detective novel by Rex Stout, first published by the Viking Press in 1965. 
Question : What series is The Doorbell Rang in?

Answer:
Nero Wolfe