What is the sum of people per km2 for the sandoy region with an area of 112.1?
CREATE TABLE table_33522 (
    "Name" text,
    "Area" real,
    "Inhabitants" real,
    "People per km\u00b2" real,
    "Main places" text,
    "Regions" text
)
SELECT SUM("People per km\u00b2") FROM table_33522 WHERE "Regions" = 'sandoy' AND "Area" = '112.1'
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 sum of people per km2 for the sandoy region with an area of 112.1? ### Input: CREATE TABLE table_33522 (
    "Name" text,
    "Area" real,
    "Inhabitants" real,
    "People per km\u00b2" real,
    "Main places" text,
    "Regions" text
) ### Response: SELECT SUM("People per km\u00b2") FROM table_33522 WHERE "Regions" = 'sandoy' AND "Area" = '112.1'