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_91 (winner_or_2nd VARCHAR, result VARCHAR, weight VARCHAR)

### Question ###
What was the name of the winner or 2nd when the result was –, and weight was 6.7?

### Accurate SQL ###

SELECT winner_or_2nd FROM table_name_91 WHERE result = "–" AND weight = 6.7