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_92 ( revenue__ INTEGER, debt_as__percentage_of_value VARCHAR, operating_income__$m_ VARCHAR, team VARCHAR )

### Question ###
Name the most revenue for operating income more than 27 for hamburg and debt as % of value less than 0

### Accurate SQL ###

SELECT MAX(revenue__) AS $m_ FROM table_name_92 WHERE operating_income__$m_ > 27 AND team = "hamburg" AND debt_as__percentage_of_value < 0