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

Question: What's the size of Centerville in 89 Wayne county with an IHSAA class of AA in the year before 1974?
SQL: SELECT "size" FROM "membership" WHERE "year_joined"<1974 AND "ihsaa_class"='aa' AND "num_county"='89 wayne' AND "school"='centerville';

Question: What's the year that Hagerstown joined?
SQL: SELECT "year_joined" FROM "membership" WHERE "school"='hagerstown';

Question: What county is Fountain City?
SQL: SELECT "num_county" FROM "membership" WHERE "location"='fountain city';

Question: What's the previous conference of Fountain City with a size more than 287?
SQL: SELECT "previous_conference" FROM "membership" WHERE "size">287 AND "location"='fountain city';