Table:
text: Chicago Sting
Outdoor
Outdoor
Year_ Record Regular_Season_Finish Playoffs Avg_Attendance
1975 12–10 2nd, Central Division Did Not Qualify 4330
1976 15–9 1st, Northern Division, Atlantic Conference Division Championships 5801
1977 10–16 4th, Northern Division, Atlantic Conference Did Not Qualify 5199
1978 12–18 2nd, Central Division, American Conference First Round 4188
1979 16–14 2nd, Central Division, American Conference American Conference Semifinals 8036
1980 21–11 1st, Central Division, American Conference First Round 11672
1981 23–9 1st, Central Division NASL Champions 12889
1982 13–19 4th, Eastern Division Did Not Qualify 9377
1983 15–15 2nd, Eastern Division Quarterfinals 10937
1984 13–11 1st, Eastern Division NASL Champions 8376

Question: Year greater than 1975 and a record of 13-11 is what playoffs for the Chicago Sting?