Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
what is the capacity when the home city is zagreb and the manager is zlatko kranjčar?

### Inputs:
table_name: table, columns: ['Team', 'Manager', 'Home city', 'Stadium', 'Capacity']

### Response:
SELECT AVG Capacity FROM table WHERE Home city = zagreb AND Manager = zlatko kranjčar