SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Literal Float64_0.1 (alias level)
    Function quantile (children 2)
     ExpressionList (children 1)
      Identifier number
     ExpressionList (children 1)
      Identifier level
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_1000
