What is the sum of Year, when Role is "himself", and when Notes is "celebrity guest alongside yg family"?
CREATE TABLE "television" (
  "year" real,
  "title" text,
  "role" text,
  "network" text,
  "notes" text
);
SELECT SUM("year") FROM "television" WHERE "role"='himself' AND "notes"='celebrity guest alongside yg family';