CreateQuery probe0 (children 3)
 Identifier probe0
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration begin (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType DateTime (children 1)
       ExpressionList (children 1)
        Literal \'UTC\'
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
