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_40566 ( "Episode number Production number" text, "Title" text, "Original airing" text, "Rating" real, "Share" real, "18-49" real, "Total viewers (in millions)" real, "Rank per week" text )

### Question ###
What was the fewest number of viewers for the episode production number of 109 5-22?

### Accurate SQL ###

SELECT MIN("Total viewers (in millions)") FROM table_40566 WHERE "Episode number Production number" = '109 5-22'