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_12 ( round INTEGER, nhl_team VARCHAR, player VARCHAR )

### Question ###
Which Round has a NHL team of edmonton oilers and a Player of vyacheslav trukhno?

### Accurate SQL ###

SELECT AVG(round) FROM table_name_12 WHERE nhl_team = "edmonton oilers" AND player = "vyacheslav trukhno"