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

### Instruction:
On July 31, 2008, what are the Democrat: Vivian Davis Figures percentages?

### Inputs:
table_name: table, columns: ['Poll Source', 'Dates administered', 'Democrat: Vivian Davis Figures', 'Republican: Jeff Sessions', 'Lead Margin']

### Response:
SELECT Democrat: Vivian Davis Figures FROM table WHERE Dates administered = July 31, 2008