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 | Nickname | Location | Founded | Joined ACC | School Type | ACC Football Titles |
| --- | --- | --- | --- | --- | --- | --- |
| Boston College | Eagles | Chestnut Hill, Massachusetts | 1863.0 | 2005.0 | Private/Jesuit | 0.0 |
| Clemson | Tigers | Clemson, South Carolina | 1889.0 | 1953.0 | Public | 13.0 |
| Duke | Blue Devils | Durham, North Carolina | 1838.0 | 1953.0 | Private/Non-Sectarian | 7.0 |
| Florida State | Seminoles | Tallahassee, Florida | 1851.0 | 1991.0 | Public | 12.0 |
| Georgia Tech | Yellow Jackets | Atlanta, Georgia | 1885.0 | 1979.0 | Public | 3.0 |
| Maryland | Terrapins | College Park, Maryland | 1856.0 | 1953.0 | Public | 9.0 |
| Miami | Hurricanes | Coral Gables, Florida | 1925.0 | 2004.0 | Private/Non-Sectarian | 0.0 |
| North Carolina | Tar Heels | Chapel Hill, North Carolina | 1789.0 | 1953.0 | Public | 5.0 |
| NC State | Wolfpack | Raleigh, North Carolina | 1887.0 | 1953.0 | Public | 7.0 |
| Virginia | Cavaliers | Charlottesville, Virginia | 1819.0 | 1953.0 | Public | 2.0 |
| Virginia Tech | Hokies | Blacksburg, Virginia | 1872.0 | 2004.0 | Public | 3.0 |
Question:
how many acc football titles have been won by the institution nicknamed tar heels?
Answer:
5.0