What is the number of runner-up results for the years (won in bold) 1984, 2010?
CREATE TABLE "performance_by_club" (
  "team" text,
  "num_appearances" real,
  "years_won_in_bold" text,
  "num_wins" real,
  "num_runner_up" real,
  "most_recent_final" text
);
SELECT MAX("num_runner_up") FROM "performance_by_club" WHERE "years_won_in_bold"='1984, 2010';