GMAT Test Prep: PS-20002739 GMAT Problem Solving

For a certain race, 3 teams were allowed to enter 3 members each. A team earned 6 - n points whenever one of its members finished in nth place, where 1≤n≤5. There were no ties, disqualifications, or withdrawals. If no team earned more than 6 points, what is the least possible score a team could have earned?
Select one of the following answer choices