When 1 active, 1 inactive is the canadian chapters how many founding dates are there?
CREATE TABLE "national_panhellenic_conference_npc" (
  "letters" text,
  "organization" text,
  "nickname" text,
  "founding_date" text,
  "founding_university" text,
  "type" text,
  "canadian_chapters" text
);
SELECT COUNT("founding_date") FROM "national_panhellenic_conference_npc" WHERE "canadian_chapters"='1 Active, 1 Inactive';