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

### Instruction:
What is the average rank of the province alborz, which had more than 14526 in 1956?

### Inputs:
table_name: table, columns: ['Rank', 'City', 'Province', 'Date of Official Foundation of Municipality', '2006', '1996', '1986', '1976', '1966', '1956']

### Response:
SELECT AVG Rank FROM table WHERE Province = alborz AND 1956 > 14526