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_28246 ( "Metropolitan ring" text, "Localities" real, "Total" real, "Jews and others 1" real, "Thereof: Jews" real, "Arabs" real, "Population density (per km\u00b2)" text, "Annual Population growth rate" text )

### Question ###
What is the metropolitan ring when thereof: jews is 30600?

### Accurate SQL ###

SELECT "Metropolitan ring" FROM table_28246 WHERE "Thereof: Jews" = '30600'