What was the time for the match that had a a home team of HKSSF?
CREATE TABLE "a_b_first_round" (
  "time" text,
  "home_team" text,
  "score" text,
  "away_team" text,
  "venue" text
);
SELECT "time" FROM "a_b_first_round" WHERE "home_team"='hkssf';