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_20079931_4 ( highest_scoring_team VARCHAR, circuit_location VARCHAR, winning_team VARCHAR )

### Question ###
What's the highest scoring team in the round in Ring Knutstorp in which Polestar Racing is the winning team?

### Accurate SQL ###

SELECT highest_scoring_team FROM table_20079931_4 WHERE circuit_location = "Ring Knutstorp" AND winning_team = "Polestar Racing"