Question: When Gray Wolves is the team nickname how many institutions are there?
SQL: SELECT COUNT("Institution") FROM "1-28211213-2" WHERE "Team Nickname" = 'Gray Wolves';

Question: When Sylvania, OH is the location what is the team nickname?
SQL: SELECT "Team Nickname" FROM "1-28211213-2" WHERE "Location" = 'Sylvania, OH';

Question: When Indianapolis, Indiana is the location what is the institution?
SQL: SELECT "Institution" FROM "1-28211213-2" WHERE "Location" = 'Indianapolis, Indiana';

Question: When Private/ Nonsectarian is the the affiliation what is the team nickname?
SQL: SELECT "Team Nickname" FROM "1-28211213-2" WHERE "Affiliation" = 'Private/ Nonsectarian';

Question: 4512 is the enrollment what is the team nickname?
SQL: SELECT "Team Nickname" FROM "1-28211213-2" WHERE "Enrollment" = 4512.0;