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_17230 ( "State" text, "Norwegian Americans (1980)" real, "Percent (1980)" text, "Norwegian Americans (1990)" real, "Percent (1990)" text, "Norwegian Americans (2000)" real, "Percent (2000)" text, "Norwegian Americans (2009)" real, "Percent (2009)" text )

### Question ###
what is the minimum norwegian americans (1980) where state is rhode island

### Accurate SQL ###

SELECT MIN("Norwegian Americans (1980)") FROM table_17230 WHERE "State" = 'Rhode Island'