What is the percent for when against prohibition is 2978?
CREATE TABLE table_17411 (
    "Jurisdiction" text,
    "For Prohibition" real,
    "Percent For" text,
    "Against Prohibition" real,
    "Percent Against" text
)
SELECT "Percent For" FROM table_17411 WHERE "Against Prohibition" = '2978'
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 percent for when against prohibition is 2978? ### Input: CREATE TABLE table_17411 (
    "Jurisdiction" text,
    "For Prohibition" real,
    "Percent For" text,
    "Against Prohibition" real,
    "Percent Against" text
) ### Response: SELECT "Percent For" FROM table_17411 WHERE "Against Prohibition" = '2978'