what ist he total number of ages where the start date is 6 november?
CREATE TABLE "loans_in" (
  "no" real,
  "p" text,
  "name" text,
  "country" text,
  "age" real,
  "loan_club" text,
  "started" text,
  "ended" text,
  "start_source" text,
  "end_source" text
);
SELECT COUNT("age") FROM "loans_in" WHERE "started"='6 November';