Table:
text: Thai clubs in the AFC Champions League
Statistics by club
Bangkok United
Season Team_1 Score Team_2 Venue
2007 Bangkok University 0-0 Chunnam Dragons Thai-Japanese Stadium , Thailand
2007 Kawasaki Frontale 1-1 Bangkok University Todoroki Athletics Stadium , Japan
2007 Bangkok University 0-0 Arema Malang Royal Thai Army Stadium , Thailand
2007 Arema Malang 1-0 Bangkok University Gajayana Stadium , Indonesia
2007 Chunnam Dragons 3-2 Bangkok University Gwang-Yang Stadium , South Korea
2007 Bangkok University 1-2 Kawasaki Frontale Royal Thai Army Stadium , Thailand

Question: In what year did Bangkok University and Chunnam Dragons draw 0-0 in afc champions league club stats at Thai clubs?