List the production code for the episode had 5.55 million viewers?
CREATE TABLE table_2501754_3 (prod_code VARCHAR, viewing_figures_millions VARCHAR)
SELECT prod_code FROM table_2501754_3 WHERE viewing_figures_millions = "5.55"
### Context: CREATE TABLE table_2501754_3 (prod_code VARCHAR, viewing_figures_millions VARCHAR) ### Question: List the production code for the episode had 5.55 million viewers? ### Answer: SELECT prod_code FROM table_2501754_3 WHERE viewing_figures_millions = "5.55"