In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Context: Solar Energy Generating Systems (SEGS) is the name given to nine solar power plants in the Mojave Desert which were built in the 1980s. Link Information: It is in the North American Southwest, primarily within southeastern California and southern Nevada, and it occupies 47877 mi2. Question: How many miles of land does the desert that contains solar power plants built by Solar Energy Generating Systems cover?
Answer: 47877 mi2

Context: Williamson starred alongside Peter Boyle and Eli Wallach in the movie Crazy Joe (1974). Link Information: Peter Lawrence Boyle Jr. (October 18, 1935 December 12, 2006) Question: What were the combined ages of Eli Wallach and Peter Boyle the year that they starred along side Williamson in the movie Crazy Joe?
Answer: 98

Context: In 1919, while working as a consultant to the British entrepreneur Lord Cowdray, DeGolyer negotiated the sale of the El Aguila company to Royal Dutch Shell Link Information: none Question: How big was Royal Dutch Shell the year it purchased El Aguila?
Answer: none