SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList (children 1)
      Asterisk
   TablesInSelectQuery (children 3)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (alias n1) (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Function numbers (alias n2) (children 1)
       ExpressionList (children 1)
        Literal UInt64_3
     TableJoin
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Function numbers (alias n3) (children 1)
       ExpressionList (children 1)
        Literal UInt64_4
     TableJoin
   Function and (children 1)
    ExpressionList (children 2)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier n1.number
       Identifier n2.number
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier n2.number
       Identifier n3.number