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

### Instruction:
How many years where Eichstädt had a number of 939?

### Inputs:
table_name: table, columns: ['Year', 'Bötzow', 'Schwante', 'Vehlefanz', 'Neu-Vehlefanz', 'Marwitz', 'Bärenklau', 'Eichstädt']

### Response:
SELECT COUNT Year FROM table WHERE Eichstädt = 939