CREATE TABLE "membership" (
  "school" text,
  "location" text,
  "mascot" text,
  "size" real,
  "ihsaa_class" text,
  "county" text,
  "year_joined" real,
  "previous_conference" text
);

Question: What country joined before 1976, with IHSSA class of 5a, and a size larger than 1,112?
SQL: SELECT "county" FROM "membership" WHERE "size">'1,112' AND "ihsaa_class"='5a' AND "year_joined"<1976;

Question: What is the size of the team that was previously from Central Indiana conference, and is in IHSSA Class 4a?
SQL: SELECT "size" FROM "membership" WHERE "ihsaa_class"='4a' AND "previous_conference"='central indiana';

Question: What is the IHSAA class for the team located in Middlebury, IN?
SQL: SELECT "ihsaa_class" FROM "membership" WHERE "location"='middlebury, in';