On July 31, 2008, what are the Democrat: Vivian Davis Figures percentages?
CREATE TABLE table_21043 (
    "Poll Source" text,
    "Dates administered" text,
    "Democrat: Vivian Davis Figures" text,
    "Republican: Jeff Sessions" text,
    "Lead Margin" real
)
SELECT "Democrat: Vivian Davis Figures" FROM table_21043 WHERE "Dates administered" = 'July 31, 2008'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: On July 31, 2008, what are the Democrat: Vivian Davis Figures percentages? ### Input: CREATE TABLE table_21043 (
    "Poll Source" text,
    "Dates administered" text,
    "Democrat: Vivian Davis Figures" text,
    "Republican: Jeff Sessions" text,
    "Lead Margin" real
) ### Response: SELECT "Democrat: Vivian Davis Figures" FROM table_21043 WHERE "Dates administered" = 'July 31, 2008'