When did eleonor magdalene of the palatinate-neuburg become duchess?
CREATE TABLE table_37211 (
    "Name" text,
    "Birth" text,
    "Marriage" text,
    "Became Duchess" text,
    "Ceased to be Duchess" text,
    "Death" text,
    "Spouse" text
)
SELECT "Became Duchess" FROM table_37211 WHERE "Name" = 'eleonor magdalene of the palatinate-neuburg'
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 did eleonor magdalene of the palatinate-neuburg become duchess? ### Input: CREATE TABLE table_37211 (
    "Name" text,
    "Birth" text,
    "Marriage" text,
    "Became Duchess" text,
    "Ceased to be Duchess" text,
    "Death" text,
    "Spouse" text
) ### Response: SELECT "Became Duchess" FROM table_37211 WHERE "Name" = 'eleonor magdalene of the palatinate-neuburg'