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_70712 ( "Dance" text, "Best dancer(s)" text, "Best score" real, "Worst dancer(s)" text, "Worst score" real )

### Question ###
What's the worst score for the worst dancer(s) john barnes, with a best score of 36?

### Accurate SQL ###

SELECT "Worst score" FROM table_70712 WHERE "Best score" = '36' AND "Worst dancer(s)" = 'john barnes'