Question: Which famous military leader was the halfback for the army team defeated by the the US's flagship Indian boarding school?

Context paragraphs:
Education for Extinction: Education for Extinction: American Indians and the Boarding School Experience, 1875–1928 is a 1995 history book by David Wallace Adams that covers the history of assimilation era American Indian boarding schools.

Carlisle Indian Industrial School: The United States Indian Industrial School in Carlisle, Pennsylvania, generally known as Carlisle Indian Industrial School, was the flagship Indian boarding school in the United States from 1879 through 1918.  All of the school property, known as the Carlisle Barracks, is now a part of the U.S. Army War College.

Parampara (1993 film): Parampara (English: Tradition ) is a 1993 Indian Hindi romantic drama movie starring Aamir Khan, Sunil Dutt, Vinod Khanna, Ashwini Bhave, Ramya Krishna, Saif Ali Khan, Raveena Tandon, Neelam Kothari and Anupam Kher.  The film is produced by Firoz A. Nadiadwala and directed by Yash Chopra.  Aditya Chopra wrote the screenplay for the film.  The film was supposed to be Saif Ali Khan's debut however "Aashiq Awara" 1992 movie was his debut movie.The film was panned by the critics for its weak storyline, weak music and bad direction by Yash Chopra.  It was a commercial flop.  The movie was shot in the famous Indian boarding school, Mayo College.  The movie was coincidentally same story as another movie Kshatriya (film) which was released before this movie.  Both the movies were multistarers but failed to create business at the box office.  Sunil Dutt, Vinod Khanna and Raveena Tandon were the only actors who featured in both the movies.

Thamballapalle: Thamballapalle is a village And Mandal headquarters in Chittoor district of the Indian state of Andhra Pradesh.  Horsey Hills is a famous hill station which is located in this mandal.  The Famous Indian Boarding School "Rishi Valley School" located in this mandal.  Famous Hindu Shiva temple "Mallayya Konda" is located in Thamballapalle.  During shiva Rathri lakh's of devotees visit this temple .

St. Joseph's Indian School: St. Joseph's Indian School is an American Indian boarding school, located in Chamberlain, South Dakota, United States.  It was founded in 1927 by Henry Hogebach, a Roman Catholic priest from Germany.  The school is owned and operated by the Priests of the Sacred Heart.

Rishi Valley School: Rishi Valley School is an Indian boarding school, founded by the philosopher Jiddu Krishnamurti.  The school has a holistic approach to education in the spirit of Krishnamurti's pedagogical vision.  Community service and extracurricular activities are part of a student's schooling, as are discussions, assemblies and club meetings.  "EducationWorld" ranks the boarding school as the best residential school in India.

Concho, Oklahoma: Concho is a rural unincorporated community in Canadian County, Oklahoma.  It is north of the Concho Indian Boarding School.  The post office opened April 20, 1915.  The ZIP code is 73022.  The school and post office were named for Indian agent, Charles E. Shell.  It is the headquarters of the Cheyenne and Arapaho Tribes.

Concho Indian Boarding School: Concho Indian Boarding School (also known as the Cheyenne-Arapaho Boarding School at Concho or Concho Indian School and home to the Concho Demonstration School) was a boarding school for members of the Cheyenne and Arapaho Tribes and later opened to other Native American students.  It existed from 1909 to 1983.  It was located in central Oklahoma, approximately 1 mile south of Concho, Oklahoma and 4 miles north of El Reno, Oklahoma.  The name of the town and school is the Spanish word for "shell" and was named for the Indian agent, Charles E. Shell.

1912 Carlisle Indians football team: The 1912 Carlisle Indians football team represented the Carlisle Indians football team of the Carlisle Indian Industrial School during the 1912 college football season.  The Indians were coached by Pop Warner in his 11th year as head coach. .  The team compiled a record of 12–1–1, outscored opponents 454 to 120, leading the nation in scoring.  It featured the Hall of Famers Jim Thorpe, Joe Guyon, and Gus Welch.  Dwight D. Eisenhower was a halfback on the Army team defeated by Carlisle.

Aparna World School: Aparna World School is a CBSE pattern school established in 2014, situated in Jharsuguda, Odisha.  AWS is a K-12 Learning School started in 2014-15.  AWS is now an Indian Boarding School.  As of 2016 the school has enrolled 350 students, with a teacher student ratio of 1:15.  The school occupies a 12-acre campus.

Supporting paragraphs: 1912 Carlisle Indians football team Carlisle Indian Industrial School
Answer: Dwight D. Eisenhower