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 | Affiliation | Enrollment | Team Nickname | Primary conference |
| --- | --- | --- | --- | --- | --- | --- |
| Central Michigan University | Mount Pleasant, Michigan | 1892.0 | Public | 26788.0 | Chippewas | Mid-American ( Division I ) |
| Davenport University | Caledonia, MI | 1866.0 | Private | 12471.0 | Panthers | Wolverine-Hoosier Athletic NAIA |
| Michigan State University | East Lansing, Michigan | 1855.0 | Public | 47278.0 | Spartans | Big Ten ( Division I ) |
| Ohio University | Athens, Ohio | 1804.0 | Public | 20437.0 | Bobcats | Mid-American ( Division I ) |
| University of Pittsburgh | Pittsburgh, Pennsylvania | 1787.0 | Public | 28328.0 | Panthers | Big East ( Division I ) |
| University of Toledo | Toledo, Ohio | 1872.0 | Public | 23336.0 | Rockets | Mid-American ( Division I ) |
Question:
When were the Spartans founded?
Answer:
1855.0