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_69444 ( "Week" real, "Date" text, "Opponent" text, "Result" text, "Attendance" real )

### Question ###
Which sum of week that had an attendance larger than 55,767 on September 28, 1986?

### Accurate SQL ###

SELECT SUM("Week") FROM table_69444 WHERE "Attendance" > '55,767' AND "Date" = 'september 28, 1986'