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A company is building an application to track athlete performance using an Amazon DynamoDB table. Each item in the table is identified by a partition key (user_id) and a sort key (sport_name). The table design is shown below: • Partition key: user_id • Sort Key: sport_name • Attributes: score , score_datetime A Developer is asked to write a leaderboard application to display the top performers ( user_id ) based on the score for each sport_name. What process will allow the Developer to extract results MOST efficiently from the DynamoDB table?