SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 2)
    Literal UInt64_1 (alias k)
    Function count (alias c) (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test.hits
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier CounterID
     Literal UInt64_1704509
   ExpressionList (children 1)
    Identifier k
   Set
