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_204_143 ( id number, "national park" text, "region" text, "land area (km2)" number, "established" number, "visitation (2009)" number, "coordinates" text )

### Question ###
which of finland 's national parks has the least number of yearly visitors ?

### Accurate SQL ###

SELECT "national park" FROM table_204_143 ORDER BY "visitation (2009)" LIMIT 1