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_35 ( revenue__ INTEGER, debt_as__percentageof_value VARCHAR, operating_income_$m_ VARCHAR )

### Question ###
What was the sum of Revenue ($M), when the Debt as % of value was higher than 27, and the Operating income($m) was 77?

### Accurate SQL ###

SELECT SUM(revenue__) AS $m_ FROM table_name_35 WHERE debt_as__percentageof_value > 27 AND operating_income_$m_ = 77