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_75390 ( "Game" real, "December" real, "Opponent" text, "Score" text, "Record" text )

### Question ###
Record of 15-12-4, and a Game larger than 31 involves what highest December?

### Accurate SQL ###

SELECT MAX("December") FROM table_75390 WHERE "Record" = '15-12-4' AND "Game" > '31'