what is the income class for area 75?
CREATE TABLE table_1691800_2 (income_class VARCHAR, area__km²_ VARCHAR)
SELECT income_class FROM table_1691800_2 WHERE area__km²_ = 75
### Context: CREATE TABLE table_1691800_2 (income_class VARCHAR, area__km²_ VARCHAR) ### Question: what is the income class for area 75? ### Answer: SELECT income_class FROM table_1691800_2 WHERE area__km²_ = 75