Table: swedish_touring_2009
Columns: round
circuit_location
pole_position
fastest_lap
winning_driver
winning_team
highest_scoring_team
winning_privateer

Question: What's the highest scoring team in the round in Ring Knutstorp in which Polestar Racing is the winning team?
SQL: SELECT "highest_scoring_team" FROM swedish_touring_2009 WHERE "circuit_location" = 'Ring Knutstorp' AND "winning_team" = 'Polestar Racing'

Question: How many rounds were there in Karlskoga Motorstadion with Roger Eriksson at the pole position?
SQL: SELECT COUNT("round") FROM swedish_touring_2009 WHERE "circuit_location" = 'Karlskoga Motorstadion' AND "pole_position" = 'Roger Eriksson'