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You have a DataFrame df loaded from a CSV file with columns 'id', 'name', and 'age'. You need to create a Common Table Expression (CTE) named 'young_people' that includes only the rows where 'age' is less than 30. Write the Spark SQL query to achieve this._
A
WITH young_people AS (SELECT * FROM df WHERE age < 30) SELECT * FROM young_people
B
WITH young_people AS (SELECT * FROM df WHERE age < 30) CREATE TABLE young_people AS SELECT * FROM young_people_
C
WITH young_people AS (SELECT * FROM df WHERE age < 30) INSERT INTO young_people SELECT * FROM young_people_
D
WITH young_people AS (SELECT * FROM df WHERE age < 30) UPDATE young_people SET * FROM young_people_