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

### Instruction:
How many stations have fox as the primary affiliation and have been owned since 1986?

### Inputs:
table_name: table, columns: ['City of license /Market', 'Station', 'Channel TV ( DT )', 'Owned since', 'Primary affiliation']

### Response:
SELECT COUNT Station FROM table WHERE Primary affiliation = Fox AND Owned since = 1986