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:
| Year | Record | Regular Season Finish | Playoffs | Avg. Attendance |
| --- | --- | --- | --- | --- |
| 1975.0 | 12–10 | 2nd, Central Division | Did Not Qualify | 4330.0 |
| 1976.0 | 15–9 | 1st, Northern Division, Atlantic Conference | Division Championships | 5801.0 |
| 1977.0 | 10–16 | 4th, Northern Division, Atlantic Conference | Did Not Qualify | 5199.0 |
| 1978.0 | 12–18 | 2nd, Central Division, American Conference | First Round | 4188.0 |
| 1979.0 | 16–14 | 2nd, Central Division, American Conference | American Conference Semifinals | 8036.0 |
| 1980.0 | 21–11 | 1st, Central Division, American Conference | First Round | 11672.0 |
| 1981.0 | 23–9 | 1st, Central Division | NASL Champions | 12889.0 |
| 1982.0 | 13–19 | 4th, Eastern Division | Did Not Qualify | 9377.0 |
| 1983.0 | 15–15 | 2nd, Eastern Division | Quarterfinals | 10937.0 |
| 1984.0 | 13–11 | 1st, Eastern Division | NASL Champions | 8376.0 |
Question:
Year larger than 1975, and a Record of 13–11 is what playoffs?
Answer:
NASL Champions