user: ### NOW ANSWER:
Question: What year did Bangkok University and Chunnam Dragons have a score of 0-0?
Columns: ['Season', 'Team 1', 'Score', 'Team 2', 'Venue']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2007.0, 'Bangkok University', '0-0', 'Chunnam Dragons', 'Thai-Japanese Stadium , Thailand']
SQL:

assistant: SELECT SUM("Season") FROM "Table" WHERE "Team 1" = 'Bangkok University' AND "Score" = '0-0' AND "Team 2" = 'Chunnam Dragons';