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

### Instruction:
What is the average election result for the province of Grosseto from 1766 and prior?

### Inputs:
table_name: table, columns: ['Province', 'Inhabitants', 'established', 'President', 'Party', 'Election']

### Response:
SELECT AVG Election FROM table WHERE Province = grosseto AND established < 1766