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_21856 ( "Episode" real, "Original title" text, "Directed by" text, "Written by" text, "Original airdate" text, "Duration" text, "Viewership" text )

### Question ###
What is the total length when the title is ' one man's junk

### Accurate SQL ###

SELECT COUNT("Duration") FROM table_21856 WHERE "Original title" = ' One Man''s Junk '