CREATE TABLE "screen_actors_guild" (
  "year" real,
  "category" text,
  "recipients_and_nominees" text,
  "role_episode" text,
  "result" text
);

Question: what is the earliest year when the result is won and the role/episode is fox mulder?
SQL: SELECT MIN("year") FROM "screen_actors_guild" WHERE "result"='won' AND "role_episode"='fox mulder';

Question: what is the year when the role/episode is david duchovny?
SQL: SELECT "year" FROM "screen_actors_guild" WHERE "role_episode"='david duchovny';