CREATE TABLE table_name_88 (capacity INT, home_city VARCHAR, manager VARCHAR)

what is the capacity when the home city is zagreb and the manager is zlatko kranj ar?
SELECT AVG(capacity) FROM table_name_88 WHERE home_city = "zagreb" AND manager = "zlatko kranjčar"
SELECT AVG("capacity") FROM "table_name_88" WHERE "home_city" = "zagreb" AND "manager" = "zlatko kranjčar"