Table: boxing_match_results_2
Columns: result
record
opponent
method
location

Question: Which method has a record of 4-0?
SQL: SELECT "method" FROM boxing_match_results_2 WHERE "record" = '4-0'

Question: What is the record when the method is decision and the location is Martigues, France?
SQL: SELECT "record" FROM boxing_match_results_2 WHERE "method" = 'decision' AND "location" = 'martigues, france'

Question: Which location has a method of decision and Nikos Tsoukalas for an opponent?
SQL: SELECT "location" FROM boxing_match_results_2 WHERE "method" = 'decision' AND "opponent" = 'nikos tsoukalas'

Question: What is the method when the location is Auckland, New Zealand, Darren Berry as the opponent, and resulted in a win?
SQL: SELECT "method" FROM boxing_match_results_2 WHERE "location" = 'auckland, new zealand' AND "result" = 'win' AND "opponent" = 'darren berry'

Question: What is the location when the record is 9-7?
SQL: SELECT "location" FROM boxing_match_results_2 WHERE "record" = '9-7'

Question: What is the location when KO is the method, the result is a win, and the record is 2-0?
SQL: SELECT "location" FROM boxing_match_results_2 WHERE "method" = 'ko' AND "result" = 'win' AND "record" = '2-0'