How many people were first elected with an incument of diane watson?
CREATE TABLE table_1805191_6 (
    first_elected VARCHAR,
    incumbent VARCHAR
)
SELECT COUNT(first_elected) FROM table_1805191_6 WHERE incumbent = "Diane Watson"
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 people were first elected with an incument of diane watson? ### Input: CREATE TABLE table_1805191_6 (
    first_elected VARCHAR,
    incumbent VARCHAR
) ### Response: SELECT COUNT(first_elected) FROM table_1805191_6 WHERE incumbent = "Diane Watson"