Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_41 (people_per_km² INTEGER, regions VARCHAR, area VARCHAR)

### Question ###
What is the sum of people per km2 for the sandoy region with an area of 112.1?

### Accurate SQL ###

SELECT SUM(people_per_km²) FROM table_name_41 WHERE regions = "sandoy" AND area = 112.1