In this task, you're given a passage, 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'.

[EX Q]: Passage: On January 28, 2015, it was announced that the film would be directed by Stephen Gaghan, replacing Lee, and it would be shot in June 2015 in New York City, New Mexico and Thailand, while the film's foreign sales would be handled by Sierra/Affinity. Producers would be Schwarzman and Nozik, along with Massett, Zinman and McConaughey, while Haggis would executive-produce along with Richard Middleton. On February 12, 2015, Sierra/Affinity sold the film to international distributors at European Film Market in Berlin. Édgar Ramírez was added to the cast on March 18, 2015, to play the role of geologist Michael Acosta. On March 30, 2015, The Weinstein Company acquired the film's US distribution rights for $15 million, and the film would release domestically through company's TWC-Dimension label. On May 15, 2015, Michelle Williams was set to star alongside McConaughey, to play his character's wife. Joshua Harto signed-on on June 3, 2015, to play Lloyd Stanton, the businessman's bank account manager. Timothy Simons was added to the cast on June 12, 2015, to play a Wall Street banker who is coaxed by the duo to inspect the potential value of the company in the jungles of Borneo. Michael Landes also signed-on on June 29, 2015, to star in the film. On August 28, 2015, Bryce Dallas Howard was confirmed to cast in the film for the female lead role of Kay, Wells' longtime girlfriend, replacing Michelle Williams. The other cast added included Corey Stoll, Toby Kebbell, Bruce Greenwood, and Stacy Keach. Daniel Pemberton composed the film's score.
 Link Information: On August 28, 2015, Bryce Dallas Howard was confirmed to cast in the film for the female lead role of Kay, Wells' longtime girlfriend, replacing Michelle Williams. Question: Which of the two actresses who were scheduled to star opposite McConaughey in Gold (2016) is older?
[EX A]: Answer: Michelle Williams

[EX Q]: Passage: DeStorm comes from Baltimore, Maryland, where he lived with his mother and seven siblings. In 2001 Power moved from Maryland to New York to pursue his music endeavors. After interning and ghostwriting at Atlantic Records, Universal, and various other record labels, Power set out to establish himself as a performer, using YouTube as a platform to share his singing, songwriting, and production skills with the online community. Power's videos are typically comedic, and also often incorporate rapping and beatboxing. He was an accomplished triple jumper and Master personal trainer, and was notably invited to the Olympic Trials. Power appeared as Mr. T in the first season of Epic Rap Battles of History from which he achieved a gold record. In 2008 he lost his mother Mashala to stomach cancer. He moved to Los Angeles, California in 2011 where he joined his manager Sara Pena and started Big Frame, a Multi Channel Network and founded Forefront.TV which focuses on urban lifestyle and music. Power moved on to Paradigm Talent Agency for his acting career then William Morris Endeavor before deciding to go independent. In August 2015, Power hosted the reboot of MTV's Punk'd with co-host King Bach, which aired on BET. He is a founder and President of The Zeus Network which launched July 13, 2018 He's a 2011 American Music Awards honoree and was nominated for five Streamy Awards, winning three. He was Emmy Nominated for Outstanding Actor in a Short Form Comedy or Drama Series in 2018 for his original creation Caught The Series. He also has a son, Tayvion Power.
 Link Information: n 2004, Paradigm acquired the literary firm Genesis and the Writers & Artists Agency. The acquisition added a dozen agents and also brought a potent TV client list including 24 creator/executive producer Joel Surnow and Two and a Half Men co-creator/exec producer Lee Aronsohn to Paradigm. Question: Of the agencies Power tried before he decided to work independently, which represents the most artists?
[EX A]: Answer: William Morris Endeavor

[EX Q]: Passage: Poliovirus is an enterovirus. Infection occurs via the fecal–oral route, meaning that one ingests the virus and viral replication occurs in the alimentary tract. Virus is shed in the feces of infected individuals. In 95% of cases only a primary, transient presence of viremia (virus in the bloodstream) occurs, and the poliovirus infection is asymptomatic. In about 5% of cases, the virus spreads and replicates in other sites such as brown fat, reticuloendothelial tissue, and muscle. The sustained viral replication causes secondary viremia and leads to the development of minor symptoms such as fever, headache, and sore throat. Paralytic poliomyelitis occurs in less than 1% of poliovirus infections. Paralytic disease occurs when the virus enters the central nervous system (CNS) and replicates in motor neurons within the spinal cord, brain stem, or motor cortex, resulting in the selective destruction of motor neurons leading to temporary or permanent paralysis. In rare cases, paralytic poliomyelitis leads to respiratory arrest and death. In cases of paralytic disease, muscle pain and spasms are frequently observed prior to onset of weakness and paralysis. Paralysis typically persists from days to weeks prior to recovery.
 Link Information: none Question: Who discovered the type of virus that the Poliovirus is?
[EX A]:
Answer: none