Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Institution | Location | Founded | Type | Enrollment | Nickname | Joined | Left | Current Conference |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Anderson University | Anderson, South Carolina | 1911.0 | Private | 2907.0 | Trojans | 1998.0 | 2010.0 | SAC |
| Appalachian State University | Boone, North Carolina | 1899.0 | Public | 17589.0 | Mountaineers | 1930.0 | 1967.0 | SoCon ( Sun Belt in 2014) (NCAA Division I) |
| Catawba College | Salisbury, North Carolina | 1851.0 | Private | 1300.0 | Indians | 1930.0 | 1975.0 | SAC |
| Coker College | Hartsville, South Carolina | 1908.0 | Private | 1200.0 | Cobras | 1991.0 | 2013.0 | SAC |
| East Carolina University | Greenville, North Carolina | 1907.0 | Public | 27386.0 | Pirates | 1947.0 | 1962.0 | C-USA ( The American in 2014) (NCAA Division I) |
| Elon University | Elon, North Carolina | 1889.0 | Private | 6720.0 | Phoenix | 1930.0 | 1975.0 | SoCon ( CAA in 2014) (NCAA Division I) |
| Guilford College | Greensboro, North Carolina | 1837.0 | Private | 2706.0 | Quakers | 1930.0 | 1988.0 | ODAC (NCAA Division III) |
| High Point University | High Point, North Carolina | 1924.0 | Private | 4519.0 | Panthers | 1930.0 | 1997.0 | Big South (NCAA Division I) |
| Lenoir–Rhyne University | Hickory, North Carolina | 1891.0 | Private | 1983.0 | Bears | 1930.0 | 1975.0 | SAC |
| Longwood University | Farmville, Virginia | 1839.0 | Public | 4800.0 | Lancers | 1995.0 | 2003.0 | Big South (NCAA Division I) |
| Mars Hill College | Mars Hill, North Carolina | 1856.0 | Private | 1370.0 | Lions | 1973.0 | 1975.0 | SAC |
| Newberry College | Newberry, South Carolina | 1856.0 | Private | 949.0 | Wolves | 1961.0 | 1972.0 | SAC |
| University of North Carolina at Pembroke | Pembroke, North Carolina | 1887.0 | Public | 6433.0 | Braves | 1976.0 | 1992.0 | Peach Belt (PBC) |
| Presbyterian College | Clinton, South Carolina | 1880.0 | Private | 1300.0 | Blue Hose | 1965.0 | 1972.0 | Big South (NCAA Division I) |
| Queens University of Charlotte | Charlotte, North Carolina | 1857.0 | Private | 2386.0 | Royals | 1995.0 | 2013.0 | SAC |
| St. Andrews University | Laurinburg, North Carolina | 1958.0 | Private | 600.0 | Knights | 1988.0 | 2012.0 | AAC (NAIA) |
| Western Carolina University | Cullowhee, North Carolina | 1889.0 | Public | 9608.0 | Catamounts | 1933.0 | 1975.0 | SoCon (NCAA Division I) |
Question:
What year did the school from mars hill, north carolina join?
Answer:
1973.0