how many relegations did andrea costa imola undergo ?
CREATE TABLE table_204_506 (
    id number,
    "seasons" number,
    "team" text,
    "ch.wins" number,
    "promotions" number,
    "relegations" number
)
SELECT "relegations" FROM table_204_506 WHERE "team" = 'andrea costa imola'
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: how many relegations did andrea costa imola undergo ? ### Input: CREATE TABLE table_204_506 (
    id number,
    "seasons" number,
    "team" text,
    "ch.wins" number,
    "promotions" number,
    "relegations" number
) ### Response: SELECT "relegations" FROM table_204_506 WHERE "team" = 'andrea costa imola'