Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_97 (location VARCHAR, method VARCHAR, opponent VARCHAR)

### Question ###
Which location has a method of decision and Nikos Tsoukalas for an opponent?

### Accurate SQL ###

SELECT location FROM table_name_97 WHERE method = "decision" AND opponent = "nikos tsoukalas"