Question: What song that Jake Sinclair worked on was performed by Taylor Swift?

<P0-S0> Sirtris Pharmaceuticals, Inc. was a biotechnology company based in Cambridge, MA that developed therapies for type 2 diabetes, cancer, and other diseases. <P0-S1>  Conceived in 2004 by Harvard University biologist David Sinclair and serial entrepreneur Andrew Perlman, and founded that year by Sinclair and Perlman, along with Christoph Westphal, Richard Aldrich, Richard Pops, and Paul Schimmel, the company was focused on developing Sinclair's research into activators of sirtuins, work that began in the laboratory of Leonard P. Guarente where Sinclair worked as a post-doc before starting his own lab. <SEP> <P1-S0> Jake Sinclair (born March 7, 1985) is an American record producer, audio engineer, mixing engineer, multi-instrumentalist, vocalist, and songwriter. <P1-S1>  His production, engineering, songwriting, and mixing credits include Weezer, Fall Out Boy, Panic! <P1-S2>  at the Disco, 5 Seconds of Summer, Pink, New Politics, Andrew McMahon in the Wilderness, Gin Wigmore, and Train. <P1-S3>  Sinclair co-wrote and produced Panic! <P1-S4>  at the Disco's "Death of a Bachelor" album (which debuted at number one on the US Billboard 200) and produced Weezer's 2016 "Weezer (White Album)". <P1-S5>  Both were nominated for Best Rock Album at the 59th Annual Grammy Awards. <P1-S6>  He co-wrote and produced "Uma Thurman" by Fall Out Boy, which debuted at number one on the U.S. iTunes Chart, reached number 22 on the Billboard Hot 100, and was certified 2X Platinum by the RIAA in December 2015. <P1-S7>  Sinclair received a Grammy nomination for Album of the Year for his work as engineer and bassist on Taylor Swift's "Everything Has Changed" alongside producer Butch Walker. <P1-S8>  He co-wrote and produced the debut single, "She Looks So Perfect" by 5 Seconds of Summer that peaked at number one in over five countries and won "Song of the Year" at the 2014 ARIA Awards. <P1-S9>  Sinclair is the former bassist of the indie/pop rock band The Films and the lead singer and producer of the indie pop duo Alohaha. <SEP> <P2-S0> "Our Song" is a country song performed by American singer-songwriter Taylor Swift. <P2-S1>  The song was written by Swift and produced by Nathan Chapman. <P2-S2>  It was released on September 9, 2007 by Big Machine Records as the third single from Swift's eponymous debut album, "Taylor Swift" (2006). <P2-S3>  Swift solely composed "Our Song" for the talent show of her freshman year in high school, about a boyfriend who she did not have a song with. <P2-S4>  It was included on "Taylor Swift" as she recalled its popularity with her classmates. <P2-S5>  The uptempo track is musically driven mainly by banjo and lyrically describes a young couple who use the events in their lives in place of a regular song. <SEP> <P3-S0>  Produced by Butch Walker, the track was released as the sixth single from the album on July 16, 2013. <P3-S1> "Everything Has Changed" is a song written and performed by American singer-songwriter Taylor Swift and English singer-songwriter Ed Sheeran, taken from Swift's fourth studio album, "Red" (2012). <P3-S2>  "Everything Has Changed" is a guitar ballad combining folk and pop genres about "wanting to get to know a new lover better".