What year was the Win percentage 50.00%, with more than 14 matches, and wins more than 8?
CREATE TABLE "performance_summary" (
  "year" text,
  "matches" real,
  "wins" real,
  "losses" real,
  "no_result" real,
  "win_pct" text
);
SELECT "year" FROM "performance_summary" WHERE "win_pct"='50.00%' AND "matches">14 AND "wins">8;