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

### Instruction:
What is the American sound that has a 17th century equivalent of ɪ, and a Semi-closed initial unstressed vowels of i /ɪ, ɨ/?

### Inputs:
table_name: table, columns: ['Semi-closed initial unstressed vowels', '17th c.', 'American', 'Australian', 'Examples']

### Response:
SELECT American FROM table WHERE 17th c. = ɪ AND Semi-closed initial unstressed vowels = i /ɪ, ɨ/