What is the total number of Year, when Award is "Vamsi Berkley Award", and when Category is "Best Actor"?
CREATE TABLE "awards" (
  "year" real,
  "award" text,
  "category" text,
  "film" text,
  "result" text
);
SELECT COUNT("year") FROM "awards" WHERE "award"='vamsi berkley award' AND "category"='best actor';