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

### Instruction:
What's the note about the school established in the year of 1973?

### Inputs:
table_name: table, columns: ['High School', 'Type', 'Established', 'Enrollment', 'Mascot', 'WIAA Classification', 'Notes']

### Response:
SELECT Notes FROM table WHERE Established = 1973