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_42 ( to_par INTEGER, country VARCHAR, year_s__won VARCHAR )

### Question ###
Which To par has a Country of australia, and a Year(s) won of 1990?

### Accurate SQL ###

SELECT MIN(to_par) FROM table_name_42 WHERE country = "australia" AND year_s__won = "1990"