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

### Instruction:
What is the total number of First Elected, when Party is "Democratic", and when District is "Tennessee 5"?

### Inputs:
table_name: table, columns: ['District', 'Incumbent', 'Party', 'First elected', 'Results']

### Response:
SELECT COUNT First elected FROM table WHERE Party = democratic AND District = tennessee 5