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_31790 ( "Week" real, "Date" text, "Opponent" text, "Result" text, "Attendance" real )

### Question ###
What was the total attendance on December 14, 1975 after week 13?

### Accurate SQL ###

SELECT COUNT("Attendance") FROM table_31790 WHERE "Date" = 'december 14, 1975' AND "Week" > '13'