human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Name, Year, Landfall, NHC Advisory Number, V(mph), R(miles), Saffir-Simpson Category
###Question: What was the lowest V(mph) for a Saffir-Simpson of 4 in 2005?
gpt
SELECT MIN V(mph) FROM table WHERE Saffir-Simpson Category = 4 AND Year = 2005