CREATE TABLE "performance_by_club" (
  "club" text,
  "winners" real,
  "runners_up" real,
  "winning_years" text,
  "runner_up_years" text
);

Question: What is the total number of runners-up for a club with winning years of 2010?
SQL: SELECT COUNT("runners_up") FROM "performance_by_club" WHERE "winning_years"='2010';

Question: Who were the runners-up for the FC Viktoria Plzeň club?
SQL: SELECT "runners_up" FROM "performance_by_club" WHERE "club"='fc viktoria plzeň';