Explain EXPLAIN SYNTAX (children 1)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 5)
     Function uniq (children 1)
      ExpressionList (children 1)
       Identifier x
     Function uniqExact (children 1)
      ExpressionList (children 1)
       Identifier x
     Function uniqHLL12 (children 1)
      ExpressionList (children 1)
       Identifier x
     Function uniqCombined (children 1)
      ExpressionList (children 1)
       Identifier x
     Function uniqCombined64 (children 1)
      ExpressionList (children 1)
       Identifier x
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Subquery (children 1)
        SelectWithUnionQuery (children 1)
         ExpressionList (children 1)
          SelectQuery (children 2)
           ExpressionList (children 1)
            Function modulo (alias x) (children 1)
             ExpressionList (children 2)
              Identifier number
              Literal UInt64_2
           TablesInSelectQuery (children 1)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              Function numbers (children 1)
               ExpressionList (children 1)
                Literal UInt64_10
