Question: Which documentary, The Tillman Story or Hearts and Minds, was chosen as Academy Award for Best Documentary Feature at the 47th Academy Awards presented in 1975?

<P0-S0> The AACTA Award for Best Documentary Series, is a non-feature film award presented by the Australian Academy of Cinema and Television Arts (AACTA) to the producer of an Australian documentary series that is "a Television Program consisting of a potentially unlimited number of episodes but not less than 2 that is a creative treatment of actuality other than a news, current affairs, sports coverage, magazine, infotainment or light entertainment program." <P0-S1>  Prior to the establishment of the Academy in 2011, the award was presented by the Australian Film Institute (AFI) at the annual Australian Film Institute Awards (more commonly known as the AFI Awards) from 2009–2010. <P0-S2>  A single award for Best Documentary was handed out from 1958–2008, before it was split into three categories: Best Feature Length Documentary, Best Documentary Under One Hour and Best Documentary Series. <P0-S3>  The award is presented at the AACTA Awards Luncheon, a black tie event which celebrates achievements in film production, television, documentaries and short films. <SEP> <P1-S0> The AACTA Award for Best Documentary Under One Hour, is a non-feature film award presented by the Australian Academy of Cinema and Television Arts (AACTA) to the producer of an Australian documentary that is "a self-contained non-fiction film or Television Program equal to or less than 60 minutes in duration that is a creative treatment of actuality other than a news, current affairs, sports coverage, magazine, infotainment or light entertainment program." <P1-S1>  Prior to the establishment of the Academy in 2011, the award was presented by the Australian Film Institute (AFI) at the annual Australian Film Institute Awards (more commonly known as the AFI Awards) from 2009–2010. <P1-S2>  A single award for Best Documentary was handed out from 1958–2008, before it was split into three categories: Best Feature Length Documentary, Best Documentary Under One Hour and Best Documentary Series. <P1-S3>  The award is presented at the AACTA Awards Luncheon, a black tie event which celebrates achievements in film production, television, documentaries and short films. <SEP> <P2-S0> The Tillman Story is a 2010 American documentary film directed by Amir Bar-Lev. <P2-S1>  The film is about the death of football player turned U.S. Army Ranger, Pat Tillman, in the war in Afghanistan, the coverup of the true circumstances of his death, and his family's struggle to unearth the truth. <P2-S2>  It was nominated for the Grand Jury Prize at the 2010 Sundance Film Festival. <P2-S3>  It was named 2010 Best Documentary by the San Francisco Film Critics Circle, the St. Louis Gateway Film Critics Association, and the Florida Film Critics Circle. <P2-S4>  The film is narrated by Josh Brolin. <SEP> <P3-S0> Hearts and Minds is a 1974 American documentary film about the Vietnam War directed by Peter Davis. <P3-S1>  The film's title is based on a quote from President Lyndon B. Johnson: "the ultimate victory will depend on the hearts and minds of the people who actually live out there". <P3-S2>  The movie was chosen as Academy Award for Best Documentary Feature at the 47th Academy Awards presented in 1975.