How many casualties were from the IED circumstance?
CREATE TABLE table_15585 (
    "Date" text,
    "Location" text,
    "Nature of incident" text,
    "Circumstances" text,
    "Casualties" text
)
SELECT "Casualties" FROM table_15585 WHERE "Circumstances" = 'ied'
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 casualties were from the IED circumstance? ### Input: CREATE TABLE table_15585 (
    "Date" text,
    "Location" text,
    "Nature of incident" text,
    "Circumstances" text,
    "Casualties" text
) ### Response: SELECT "Casualties" FROM table_15585 WHERE "Circumstances" = 'ied'