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_70394 ( "Overall place" text, "Yacht name" text, "Skipper" text, "Points" text, "Combined elapsed time" text )

### Question ###
Which Combined elapsed time has a Skipper of stephen wilkins?

### Accurate SQL ###

SELECT "Combined elapsed time" FROM table_70394 WHERE "Skipper" = 'stephen wilkins'