CreateQuery t (children 3)
 Identifier t
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration number (children 1)
    DataType UInt64
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Identifier number
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier system.numbers
