Question: Which Previous conference hAs A YeAr joined smAller thAn 1976, And An IHSAA ClAss of A?
SQL: SELECT "Previous conference" FROM "2-15176211-1" WHERE "Year joined" < 1976.0 AND "IHSAA Class" = 'A';

Question: Which Enrollment has a Mascot of Norsemen?
SQL: SELECT SUM("Enrollment") FROM "2-15176211-1" WHERE "Mascot" = 'Norsemen';

Question: Which Mascot has a Previous conference of Independents, and a Location of Akron?
SQL: SELECT "Mascot" FROM "2-15176211-1" WHERE "Previous conference" = 'Independents' AND "Location" = 'Akron';

Question: Which IHSAA Class has a Mascot of Wildcats?
SQL: SELECT "IHSAA Class" FROM "2-15176211-1" WHERE "Mascot" = 'Wildcats';

Question: Which School in Wabash has a Mascot of Knights?
SQL: SELECT "School" FROM "2-15176211-1" WHERE "Location" = 'Wabash' AND "Mascot" = 'Knights';