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_28005160_2 (country VARCHAR, city VARCHAR)

### Question ###
How many countries played in the city of ljungskile?

### Accurate SQL ###

SELECT COUNT(country) FROM table_28005160_2 WHERE city = "Ljungskile"