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_22498 ( "Athlete" text, "Class" text, "Event" text, "Round of 32" text, "Round of 16" text, "Quarterfinals" text, "Semifinals" text, "Final/ Bronze medal match" text )

### Question ###
What is the round of 16 result for Jiske Griffioen Esther Vergeer?

### Accurate SQL ###

SELECT "Round of 16" FROM table_22498 WHERE "Athlete" = 'Jiske Griffioen Esther Vergeer'