In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Context: Prior to the 200405 season, the Lakers traded Payton and Rick Fox to the Boston Celtics Link Information: The season ended with the San Antonio Spurs defeating the defending-champion Detroit Pistons, 43, in the NBA Finals. Question: What team won the NBA championship the season just after the Lakers traded Payton and Rick Fox to the Boston Celtics?
Answer: San Antonio Spurs