CREATE TABLE "former_members" (
  "institution" text,
  "location" text,
  "founded" real,
  "type" text,
  "enrollment" text,
  "nickname" text,
  "joined" text,
  "left" text,
  "football_conference" text,
  "primary_conference" text
);

Question: How many different types are allocated to the institution in Bridgewater, Massachusetts? 
SQL: SELECT COUNT("type") FROM "former_members" WHERE "location"='Bridgewater, Massachusetts';

Question: What is the enrollment for the institution in Westfield, Massachusetts? 
SQL: SELECT "enrollment" FROM "former_members" WHERE "location"='Westfield, Massachusetts';

Question: Which institutions primary conference is merged into the university of Massachusetts boston? 
SQL: SELECT "institution" FROM "former_members" WHERE "primary_conference"='Merged into the University of Massachusetts Boston';

Question: What is the football conference for Henniker, New Hampshire>?
SQL: SELECT "football_conference" FROM "former_members" WHERE "location"='Henniker, New Hampshire';

Question: What date did the institution that left in 2013 and that is nicknamed Corsairs, join? 
SQL: SELECT "joined" FROM "former_members" WHERE "left"='2013' AND "nickname"='Corsairs';