human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Rank, Constituency, Winning party 2007, Swing to gain, LD's place 2007, Result
###Question: what is the lowest rank when the constituency is edinburgh northern and leith and the swing to gain is less than 4.16?
gpt
SELECT MIN Rank FROM table WHERE Constituency = edinburgh northern and leith AND Swing to gain < 4.16