CreateQuery a (children 3)
 Identifier a
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration x (children 1)
    DataType Int64
 Storage definition (children 1)
  Function URL (children 1)
   ExpressionList (children 3)
    Literal \'https://example.com/\'
    Identifier CSV
    Function headers (children 1)
     ExpressionList (children 2)
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'foo\'
        Literal \'bar\'
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'a\'
        Literal \'13\'