Question: In which year was the author and former United States history and political science teacher who taught at a private independent Christian boarding and college preparatory school for boys and girls in grades 7 to 12 in Long Island, New York born?

Context paragraphs:
Lars Brownworth: Lars Mehrling Brownworth (born c. 1975) is an author and former United States history and political science teacher at The Stony Brook School in Stony Brook on Long Island, New York, who created the top 50 podcast, 12 Byzantine Rulers: The History of the Byzantine Empire.  This podcast was created on a whim by Lars and his brother, Anders Brownworth.  Often mistaken for a college professor, Lars was, in fact, a high school history instructor at the time the podcast was produced.

The Stony Brook School: The Stony Brook School (SBS) is a private independent Christian boarding and college preparatory school for boys and girls in grades 7 to 12.  It is located in Stony Brook on the north shore of Long Island, New York.  It was founded by the Rev. Dr. John F. Carson and fellow members of the Stony Brook Assembly in 1922.  Its founding headmaster was Frank E. Gaebelein.

Iona Preparatory School: Iona Preparatory School (commonly known as Iona Prep) is an independent, Roman Catholic, all-male, college preparatory school located in the north end of New Rochelle, New York, in suburban Westchester County.  Iona Prep consists of the Upper School for grades 9 through 12 and the Lower School (formerly Iona Grammar School) for grades kindergarten through eighth grade.  The primary and secondary schools are located on separate and nearby campuses less than a mile apart on Stratton Road.  Named for the Scottish island of Iona, the school was founded in 1916 by the Congregation of Christian Brothers.  Iona is a privately owned independent school without parochial affiliation and is located within the Archdiocese of New York.

Cambridge Christian School (Tampa, Florida): Cambridge Christian School (CCS) is a co-educational, independent Christian (non-denominational) school serving grades PreK–12, located in Tampa, Florida, United States.  CCS is a college preparatory school accredited by the Florida Council of Independent Schools, Christian Schools of Florida, the National Council for Private School Accreditation, and the Florida Kindergarten Council.

Vanguard College Preparatory School: Vanguard College Preparatory School, founded in 1973, is a private, independent, coeducational, college preparatory day school located in Waco, Texas, United States, for students in grades 7-12.  Enrollment, as of the 2017-2018 academic year is 218, with 38 on the teaching faculty.  Vanguard was rated the Top Private School in Central Texas for 2016 and 2017 and rated by Niche #23 Best Private High School in the State of Texas.

American International School-Salzburg: The American International School (AIS)- Salzburg is an international college preparatory boarding and day school located in Salzburg, Austria.  The school is operated on an American High School curriculum accredited by the Middle States Association.  Formerly called The Salzburg International Preparatory School (SIPS), the school was founded in 1976.  The student body generally consists of around 100 students, typically representing as many as 20 different countries.  Day students normally make up about 25% of the student population.  The school offers a junior high school program (grades 7 and 8) in addition to a high school program (grades 9 through 12), which includes an Advanced Placement program.  The school year is divided into three trimesters beginning the second week of September and ending in late May.  The school also operates a summer school program, as well as a summer language program (SILC).

Rexford College Preparatory School: Rexford College Preparatory High School was a small private school which originated in the early 1950s in Beverly Hills, California and was originally known as "Rexford Junior and Senior High School".  The owners and originators of the school were David and Pearl Axlerod.  The school was known for its small class size and individual attention in academia for students.  Rexford College Preparatory High School consisted of grades 7 through 12 originally, then in later years consisted of grades 9 through 12.  The school was sold in 1971, and later became known as Concord.  The school had many celebrities and families of the elite.  "Rexford" was located at 9250 Olympic Boulevard, Beverly Hills, California 90210 in a Classic Spanish style Duplex typical and symbolic of the architecture of Los Angeles in the 1940s.  It is now part of Beverly Hills Preparatory School.

Saint John's Preparatory School (Minnesota): Saint John’s Preparatory School (SJP) is a Catholic co-educational, day and boarding college preparatory school located in Collegeville, Minnesota.  Founded in 1857, it is located in the Diocese of Saint Cloud and is administered by the Benedictine monks of Saint John's Abbey.  The school includes a middle school consisting of grades 6–8 and an upper school consisting of grades 9–12.  The student body consists of students from the local area along with 5- and 7-day boarding students from across the United States and around the world.  In the 2015–16 academic year, the student body included students from 16 countries.

Worksop College Preparatory School: Worksop College Preparatory School, Ranby House is a co-educational independent preparatory, day and boarding, school for boys and girls aged 3 to 13.  It was founded by Nathaniel Woodard and is a member of the Woodard Schools.  The school is the feeder to Worksop College which is located some 5 miles away.  The school currently has around 260 pupils and the Head Master is Christian Pritchard.  The school has two main parts, the 'Pre-Prep' (3–7 years of age) and the 'Preparatory School'.  This 'Preparatory School' is then divided further into the four groups or houses: St Alban; St Benedict; St Columba; and St Dunstan.

Long Island Lutheran Middle and High School: Long Island Lutheran Middle and High School is a Lutheran college preparatory school in Brookville, New York.  Founded and built in 1960 on a 32-acre estate, Long Island Lutheran, commonly known as LuHi, has a student body of approximately 600 students in grades 6-12, with students coming from more than 50 school districts throughout Long Island and New York City.  The school is accredited by the Middle States Association of Colleges and Schools and is a member of the New York State Association of Independent Schools.

Supporting paragraphs: Lars Brownworth The Stony Brook School
Answer: 1975