SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function deltaLake (children 1)
       ExpressionList (children 3)
        Literal \'https://clickhouse-public-datasets.s3.amazonaws.com/delta_lake/hits/\'
        Identifier NOSIGN
        Set
