CREATE TABLE table_name_76 (capacity INT, rank VARCHAR, city VARCHAR)

Which Capacity is the lowest one that has a Rank smaller than 15, and a City of belgrade?
SELECT MIN(capacity) FROM table_name_76 WHERE rank < 15 AND city = "belgrade"
SELECT MIN("capacity") FROM "table_name_76" WHERE "belgrade" = "city" AND "rank" < 15