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_26669939_1 ( no_of_athletes VARCHAR, edition VARCHAR )

### Question ###
What was the number of athletes for the 7th edition?

### Accurate SQL ###

SELECT no_of_athletes FROM table_26669939_1 WHERE edition = "7th"