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_46 ( competition VARCHAR, position VARCHAR, event VARCHAR, year VARCHAR )

### Question ###
Which Competition has an Event of 50km, a Year earlier than 2010 and a Position of 3rd?

### Accurate SQL ###

SELECT competition FROM table_name_46 WHERE event = "50km" AND year < 2010 AND position = "3rd"