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_47365 ( "Date" text, "Visitor" text, "Score" text, "Home" text, "Attendance" real, "Record" text, "Points" real )

### Question ###
What is the sum of Points, when Home is 'Pittsburgh', when Date is 'December 21', and when Attendance is greater than 5,307?

### Accurate SQL ###

SELECT SUM("Points") FROM table_47365 WHERE "Home" = 'pittsburgh' AND "Date" = 'december 21' AND "Attendance" > '5,307'