CREATE TABLE "national_panhellenic_conference_npc" (
  "letters" text,
  "organization" text,
  "nickname" text,
  "founding_date" text,
  "founding_university" text,
  "type" text,
  "canadian_chapters" text
);

Question: When καθ are the letters what is the nickname?
SQL: SELECT "nickname" FROM "national_panhellenic_conference_npc" WHERE "letters"='ΚΑΘ';

Question: When 1873-12-25 is the founding date how many organizations are there?
SQL: SELECT COUNT("organization") FROM "national_panhellenic_conference_npc" WHERE "founding_date"='1873-12-25';

Question: When 1872-10-10 is the founding date what are the canadian chapters?
SQL: SELECT "canadian_chapters" FROM "national_panhellenic_conference_npc" WHERE "founding_date"='1872-10-10';

Question: When 1 active, 1 inactive is the canadian chapters how many founding dates are there?
SQL: SELECT COUNT("founding_date") FROM "national_panhellenic_conference_npc" WHERE "canadian_chapters"='1 Active, 1 Inactive';