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_1245148_1 ( location VARCHAR, year_opened VARCHAR )

### Question ###
What is the location of the track that opened in 1950?

### Accurate SQL ###

SELECT location FROM table_1245148_1 WHERE year_opened = 1950