== Parsed Logical Plan ==
GlobalLimit 21
+- LocalLimit 21
+- Project [cast(window#372 as string) AS window#378, cast(Correct_count#373L as string) AS Correct_count#379]
+- LocalRelation <empty>, [window#372, Correct_count#373L]
== Analyzed Logical Plan ==
window: string, Correct_count: string
GlobalLimit 21
+- LocalLimit 21
+- Project [cast(window#372 as string) AS window#378, cast(Correct_count#373L as string) AS Correct_count#379]
+- LocalRelation <empty>, [window#372, Correct_count#373L]
== Optimized Logical Plan ==
LocalRelation <empty>, [window#378, Correct_count#379]
== Physical Plan ==
LocalTableScan <empty>, [window#378, Correct_count#379]
