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_70309 ( "Overall place" text, "Yacht name" text, "Skipper" text, "Points" text, "Combined elapsed time" text )

### Question ###
What is the overall place that has 170d 11h 31m 10s as the combined elapsed time?

### Accurate SQL ###

SELECT "Overall place" FROM table_70309 WHERE "Combined elapsed time" = '170d 11h 31m 10s'