If the specimen weight /size is 1000 g / 8.79 cm, what is the estimated exposure ( mrem )/hr*?
CREATE TABLE table_28431 (
    "Specimen weight/size" text,
    "Calculated activity ( Bq )" real,
    "Calculated activity ( Ci )" text,
    "Estimated activity GR(api)" text,
    "Estimated exposure ( mRem )/hr*" text
)
SELECT "Estimated exposure ( mRem )/hr*" FROM table_28431 WHERE "Specimen weight/size" = '1000 g / 8.79 cm'
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: If the specimen weight /size is 1000 g / 8.79 cm, what is the estimated exposure ( mrem )/hr*? ### Input: CREATE TABLE table_28431 (
    "Specimen weight/size" text,
    "Calculated activity ( Bq )" real,
    "Calculated activity ( Ci )" text,
    "Estimated activity GR(api)" text,
    "Estimated exposure ( mRem )/hr*" text
) ### Response: SELECT "Estimated exposure ( mRem )/hr*" FROM table_28431 WHERE "Specimen weight/size" = '1000 g / 8.79 cm'