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_72147 ( "No" text, "City district (Stadtteil)" text, "Area in km\u00b2" text, "Population" text, "Foreign nationals" text, "Foreign nationals in %" text, "Area district (Ortsbezirk)" text )

### Question ###
How many foreigners in percentage terms had a population of 4.911?

### Accurate SQL ###

SELECT COUNT("Foreign nationals in %") FROM table_72147 WHERE "Population" = '4.911'