How many incumbents are there in the georgia 8 district when the party is democratic?
CREATE TABLE table_2146 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" real,
    "Result" text,
    "Candidates" text
)
SELECT COUNT("Incumbent") FROM table_2146 WHERE "Party" = 'Democratic' AND "District" = 'Georgia 8'
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: How many incumbents are there in the georgia 8 district when the party is democratic? ### Input: CREATE TABLE table_2146 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" real,
    "Result" text,
    "Candidates" text
) ### Response: SELECT COUNT("Incumbent") FROM table_2146 WHERE "Party" = 'Democratic' AND "District" = 'Georgia 8'