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_23167 ( "RPM" real, "Standard HP" text, "Standard torque (lb/ft)" text, "Standard speed (6th gear)" text, "Modified speed (6th gear)" real, "Modified HP" text, "Modified torque (lb/ft)" text )

### Question ###
when the max speed for modified speed (6th gear) where standard speed (6th gear) is 98

### Accurate SQL ###

SELECT MAX("Modified speed (6th gear)") FROM table_23167 WHERE "Standard speed (6th gear)" = '98'