user: ### NOW ANSWER:
Question: what is the capacity when the home city is Zagreb and the manager is Zlatko Kranjčar?
Columns: ['Team', 'Manager', 'Home city', 'Stadium', 'Capacity']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Cibalia', 'Davor Čop', 'Vinkovci', 'Stadion HNK Cibalia', 9920.0]
SQL:

assistant: SELECT AVG("Capacity") FROM "Table" WHERE "Home city" = 'Zagreb' AND "Manager" = 'Zlatko Kranjčar';