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Which of the following code blocks retrieves the value of the column sqft from the first row of the DataFrame storesDF?
sqft
storesDF
A
storesDF.first()[col("sqft")]
B
storesDF[0]["sqft"]
C
storesDF.collect(l)[0]["sqft"]
D
storesDF.first.sqft
E
storesDF.first().sqft
