What is the name of the vacator for district Louisiana 1st?
CREATE TABLE table_15969 (
    "District" text,
    "Vacator" text,
    "Reason for change" text,
    "Successor" text,
    "Date successor seated" text
)
SELECT "Vacator" FROM table_15969 WHERE "District" = 'Louisiana 1st'
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 is the name of the vacator for district Louisiana 1st? ### Input: CREATE TABLE table_15969 (
    "District" text,
    "Vacator" text,
    "Reason for change" text,
    "Successor" text,
    "Date successor seated" text
) ### Response: SELECT "Vacator" FROM table_15969 WHERE "District" = 'Louisiana 1st'