Context: The Roman Catholic Diocese of Charleston Office of Education also operates out of the city and oversees several K-8 parochial schools, such as Blessed Sacrament School, Christ Our King School, Charleston Catholic School, Nativity School, and Divine Redeemer School, all of which are "feeder" schools into Bishop England High School, a diocesan high school within the city. Bishop England, Porter-Gaud School, and Ashley Hall are the city's oldest and most prominent private schools, and are a significant part of Charleston history, dating back some 150 years.

Question: Some of the oldest private schools in Charleston date back how long?
Answer: 150 years

Question: The Roman Catholic Diocese of Charleston oversees what kind of schools?
Answer: K-8 parochial schools

Question: How old are some of Charleston's private school?
Answer: 150 years

Question: Which school is Charleston's diocesan high school?
Answer: Bishop England High School

Question: Which organization oversees several K-8 Parochial Schools?
Answer: The Roman Catholic Diocese of Charleston Office of Education

Question: Bishop England High school , Porter-Gaud School and a what other school is among Charleston's most prominent private schools?
Answer: Ashley Hall

Question: Some of the oldest public schools in Charleston date back how long?
Answer: Unanswerable

Question: The Roman Catholic Diocese of Charleston oversees what kind of hospitals?
Answer: Unanswerable

Question: How old are some of Charleston's public school?
Answer: Unanswerable

Question: Which school isn't Charleston's diocesan high school?
Answer: Unanswerable

Question: Which organization oversees several K-9 Parochial Schools?
Answer: Unanswerable