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_204_792 ( id number, "#" number, "date" text, "opponent" text, "score" text, "win" text, "loss" text, "save" text, "attendance" number, "record" text )

### Question ###
what was the difference in runs between the two teams on september 15 ?

### Accurate SQL ###

SELECT ABS("score" - "score") FROM table_204_792 WHERE "date" = 'september 15'