CREATE TABLE match_result (club_id VARCHAR, gold VARCHAR)
CREATE TABLE coach (club_id VARCHAR)

How many gold medals has the club with the most coaches won?
SELECT T1.club_id, T1.gold FROM match_result AS T1 JOIN coach AS T2 ON T1.club_id = T2.club_id GROUP BY T1.club_id ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T1"."club_id", "T1"."gold" FROM "match_result" AS "T1" JOIN "coach" AS "T2" ON "T1"."club_id" = "T2"."club_id" GROUP BY "T1"."club_id" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1