What was the election date for H. Brent Coles?
CREATE TABLE table_18048 (
    "Incumbent" text,
    "Reason for Vacancy" text,
    "Appointed Successor" text,
    "Date of Appointment" text,
    "Elected Successor" text,
    "Date of Election" text
)
SELECT "Date of Election" FROM table_18048 WHERE "Appointed Successor" = 'H. Brent Coles'
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: What was the election date for H. Brent Coles? ### Input: CREATE TABLE table_18048 (
    "Incumbent" text,
    "Reason for Vacancy" text,
    "Appointed Successor" text,
    "Date of Appointment" text,
    "Elected Successor" text,
    "Date of Election" text
) ### Response: SELECT "Date of Election" FROM table_18048 WHERE "Appointed Successor" = 'H. Brent Coles'