human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Year, Mens Singles, Womens Singles, Mens Doubles, Womens Doubles, A Mixed Doubles, B Mixed Doubles
###Question: What is the least year when men's singles is Raju Rai?
gpt
SELECT MIN Year FROM table WHERE Mens Singles = Raju Rai