human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: No., Title, Directed by, Written by, Original air date, Production code, U.S. viewers (million)
###Question: Which episode number saw 1.312 million U.S. Wviewers?
gpt
SELECT No. FROM table WHERE U.S. viewers (million) = 1.312