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_name_72 ( number_of_people_1991 VARCHAR, village__german_ VARCHAR )

### Question ###
How many people in 1991 have a Village (German) of rupertiberg?

### Accurate SQL ###

SELECT COUNT(number_of_people_1991) FROM table_name_72 WHERE village__german_ = "rupertiberg"