Which Series is on april 18?
CREATE TABLE table_39535 (
    "Game" real,
    "Date" text,
    "Opponent" text,
    "Score" text,
    "Series" text
)
SELECT "Series" FROM table_39535 WHERE "Date" = 'april 18'
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: Which Series is on april 18? ### Input: CREATE TABLE table_39535 (
    "Game" real,
    "Date" text,
    "Opponent" text,
    "Score" text,
    "Series" text
) ### Response: SELECT "Series" FROM table_39535 WHERE "Date" = 'april 18'