Question: What year was the singer-songwriter who released "Metals" in 2011 born? 

Context articles: Feist (singer)
MOIL (company)
Linda Threadgill
Kemess Mine
Pleasure (Feist album)
Metals (album)
Subodh Das
Yash Bhardwaj
Mikhail Prokhorov
Who's That Girl (Guy Sebastian song)

Leslie Feist (born 13 February 1976), known professionally as Feist, is a Canadian indie pop singer-songwriter and guitarist, performing both as a solo artist and as a member of the indie rock group Broken Social Scene.
MOIL Limited (formerly Manganese Ore India Limited) is a miniratna state-owned manganese-ore mining company headquartered in Nagpur, India.
 With a market share of 50%, it was the largest producer of manganese ore in India in the fiscal year 2008.
 MOIL Limited has been ranked #486 among the 500 top companies in India and 9th in the Mines and Metals Sector of the Fortune India 500 list for 2011.
 MOIL operates 10 mines, six located in Nagpur and Bhandara districts of Maharashtra and four in the Balaghat district of Madhya Pradesh.
 Of the 10, seven are underground mines (Kandri, Munsar, Beldongri, Gumgaon, Chikla, Balaghat and Ukwa mines) and three are opencast mines (Dongri Buzurg, Sitapatore, and Tirodi).
 Its Balaghat mine is the deepest underground manganese mine in Asia.
Linda Threadgill (born 1947) is an American artist whose primary emphasis is metalsmithing.
 Born in Corpus Christi, TX, her early interests in art explored both ceramics and painting.
 She became interested in working with metal while an undergraduate, and received a Bachelor of Fine Arts degree from the University of Georgia in 1970, where she studied with noted American metalsmith Robert Ebendorf.
 A portfolio of work based on her experimentation with photo-etching and electroforming led her to study with innovative metalsmith Stanley Lechtzin at the Tyler School of Art in Philadelphia, where she was awarded the Teaching Assistantship in the Metals Department, and earned a Master of Fine Arts degree in 1978.
 In 1979, she was awarded a Florida Fine Arts Council Individual Artist Fellowship based on her studio work.
 Later this same year, she was invited to join the faculty of the Art Department at the University of Wisconsin-Whitewater.
 In 1983 she was named a Distinguished Member of the Society of North American Goldsmiths, and in 1984, received a National Endowment for the Arts Visual Arts Fellowship.
 In 1994, she received the University of Wisconsin-Whitewater Chancellor's Award for Outstanding Research.
 During her tenure on the faculty of the University of Wisconsin, she also received 11 University of Wisconsin Faculty Research Grants, and was awarded the University of Wisconsin Outstanding Research Award in 1987, 1995 and 1999.
 She served as a Craftsman Trustee to the American Craft Council from 1996-1999, and in 2000, she was designated Trustee Emerita.
 In 2001, she was named an Artisan Member of the Society of American Silversmiths.
 She headed the Metals Program at the University of Wisconsin-Whitewater from 1979-2003, and is Professor Emerita.
 In 2005 she was named a Fellow of the American Craft Council.
The Kemess Mine was an open-pit copper and gold mine, located just northeast of the foot of Thutade Lake, at the head of the Finlay River, in the Omineca Mountains of the Northern Interior of British Columbia, Canada.
 It was operated by Royal Oak Mines from 1998 to 1999, when it was bought by Northgate Minerals.
 Northgate operated the mine until its closure in 2011; that year Northgate was taken over by AuRico Gold.
 In 2014 AuRico Gold partitioned off its portion of kemess Mine ownership creating a new company called AuRico Metals.
 AuRico Metals is actively implementing permits for a block caving mine.
Pleasure is the fifth studio album by Canadian singer-songwriter Feist, released on 28 April 2017, through Universal Music Canada as a follow up to "Metals" (2011).
 Thematically, the album is said to explore "emotional limits ... loneliness, private ritual, secrets, shame, mounting pressures, disconnect, tenderness, rejection, care and the lack thereof."
Metals is the fourth studio album by Canadian singer-songwriter Feist.
 It was released on September 30, 2011 in Ireland, Austria, Switzerland, Germany, Sweden and Belgium; October 3, 2011 in the United Kingdom; and October 4, 2011 in the United States and Canada.
 The first single from the album is "How Come You Never Go There", which was released on August 12, 2011.
 The album was supported by a world tour which started in Amsterdam, Netherlands on October 15, 2011 and finished on October 20, 2012 in Latin America.
Subodh Kumar Das (born 19 June 1947) is a scientist, engineer, and inventor, largely renowned for his work in the aluminum industry.
 He is the founder and CEO of Phinix, LLC, an international consulting firm serving the aluminum industry.
 Previously, Das has served on the boards of The Aluminum Association, SECAT, Inc., and the Minerals, Metals and Materials Society.
 The American Society of Metals elected him as ASM Fellow in 2002.
 The Minerals, Metals and Materials Society also awarded Das its prestigious Distinguished Service Award in 2001.
 He was also awarded the JOM Best Paper Award in 2011.
Yash Bhardwaj (born 31 May 1999) is an Indian scientist, innovator, and entrepreneur creating social impact through disruptive technological inventions and solving perennial problems.
 He is co-founder at Zenith Vipers.
 Yash and his identical twin brother Yuv are best known for work on Smart Water Purification, the technology which enables removal and extraction of heavy metals from wastewater using pearl millet, also the brain computer interface.
 His research interests include wearable computing, food technology, human-centered design, medicine, AI and cognitive science.
 Yash was recently awarded Karmaveer Puraskaar and has been listed as one of the top 10 young entrepreneurs by "Success" for the year 2016 across the globe.
 Yash believes that people with passion can change the world for the better and is always inspiring others to bring a positive change and think differently.
Mikhail Dmitrievitch Prokhorov (Russian: Михаи́л Дми́триевич Про́хоров ; ] ; born 3 May 1965) is a Russian billionaire, politician, and owner of the American basketball team the Brooklyn Nets.
 After graduating from the Moscow Finance Institute, he worked in the financial sector and subsequently went on to become one of Russia's leading industrialists, owning major stakes in multinational corporations in the precious metals sector.
 While he was running Norilsk Nickel, the company became the world's largest producer of nickel and palladium.
 He is the former chairman of Polyus Gold, Russia's largest gold producer, and the former President of Onexim Group.
 He resigned both positions to enter politics in June 2011.
"Who's That Girl" is an up-tempo electro R&B song performed by Australian singer-songwriter Guy Sebastian which features American rapper Eve.
 It was written by Sebastian, with Eve writing and performing the rap.
 Sebastian co-produced the song with Andre Harris.
 Released as a digital download on 5 November 2010, it was the only single released in Australia from Sebastian's retrospective album "Twenty Ten".
 "Who's That Girl" reached number one on the ARIA Singles Chart, Sebastian's fifth of six number one singles in Australia and Eve's first.
 It was also Sebastian's seventh of 12 top ten singles on the Australian charts.
 It reached 5× platinum certification in 2014.
 "Who's That Girl" was shortlisted for the 2011 APRA Song of the Year and won the APRA Urban Work of the Year.
 Sebastian received ARIA Award nominations for Single of the Year and Best Pop Release and won the Highest Selling Single ARIA.
 He was also nominated as "Most Popular Australian Artist".
 "Who's That Girl" also reached number one and platinum certification in New Zealand, Sebastian's second number one single there.
<ref name="Latest Gold/Platinum Singles">Latest Gold/Platinum Singles.
 RadioScope New Zealand.
 Archived from the original on 24 July 2011.
 Retrieved 15 January 2012.
</ref>