When was the poll that showed 54% for and 22% undecided conducted?
CREATE TABLE table_23809 (
    "Date of opinion poll" text,
    "Conductor" text,
    "Sample size" real,
    "For" text,
    "Against" text,
    "Undecided" text
)
SELECT "Date of opinion poll" FROM table_23809 WHERE "For" = '54%' AND "Undecided" = '22%'
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: When was the poll that showed 54% for and 22% undecided conducted? ### Input: CREATE TABLE table_23809 (
    "Date of opinion poll" text,
    "Conductor" text,
    "Sample size" real,
    "For" text,
    "Against" text,
    "Undecided" text
) ### Response: SELECT "Date of opinion poll" FROM table_23809 WHERE "For" = '54%' AND "Undecided" = '22%'