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:
| School | Mascot | Location | Enrollment | IHSAA Class | IHSAA Football Class | County |
| --- | --- | --- | --- | --- | --- | --- |
| Elkhart Central | Blue Blazers | Elkhart | 1800.0 | AAAA | AAAAA | 20 Elkhart |
| Mishawaka | Cavemen | Mishawaka | 1560.0 | AAAA | AAAA | 71 St. Joseph |
| Mishawaka Marian | Knights | Mishawaka | 676.0 | AAA | AAA | 71 St. Joseph |
| Penn | Kingsmen | Mishawaka | 3379.0 | AAAA | AAAAA | 71 St. Joseph |
| South Bend Adams | Eagles | South Bend | 1655.0 | AAAA | AAAAA | 71 St. Joseph |
| South Bend Clay | Colonials | South Bend | 1404.0 | AAAA | AAAA | 71 St. Joseph |
| South Bend Riley | Wildcats | South Bend | 1484.0 | AAAA | AAAA | 71 St. Joseph |
| South Bend St. Joseph's | Indians | South Bend | 813.0 | AAA | AAA | 71 St. Joseph |
| South Bend Washington | Panthers | South Bend | 1313.0 | AAAA | AAAA | 71 St. Joseph |
Question:
What IHSAA Football Class has 20 elkhart as the county?
Answer:
AAAAA