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_5555 ( "Number" real, "Builder" text, "Type" text, "Date" real, "Works number" real )

### Question ###
Which Works number has a Number larger than 807, and a Type of 0-6-0, and a Date of 1920?

### Accurate SQL ###

SELECT AVG("Works number") FROM table_5555 WHERE "Number" > '807' AND "Type" = '0-6-0' AND "Date" = '1920'