What is the amount of fog where the rain is 1 109?
CREATE TABLE table_42841 (
    "Sunshine (hrs/year)" text,
    "Rain (mm/year)" text,
    "Snow (days/year)" real,
    "Storms (days/year)" real,
    "Fog (days/year)" real
)
SELECT SUM("Fog (days/year)") FROM table_42841 WHERE "Rain (mm/year)" = '1 109'
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: What is the amount of fog where the rain is 1 109? ### Input: CREATE TABLE table_42841 (
    "Sunshine (hrs/year)" text,
    "Rain (mm/year)" text,
    "Snow (days/year)" real,
    "Storms (days/year)" real,
    "Fog (days/year)" real
) ### Response: SELECT SUM("Fog (days/year)") FROM table_42841 WHERE "Rain (mm/year)" = '1 109'