SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function and (children 1)
     ExpressionList (children 2)
      Function greater (children 1)
       ExpressionList (children 2)
        Identifier ans
        Literal Float64_0.49
      Function less (children 1)
       ExpressionList (children 2)
        Identifier ans
        Literal Float64_0.51
   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 arrayElement (alias ans) (children 1)
            ExpressionList (children 2)
             Function stochasticLinearRegression (children 2)
              ExpressionList (children 3)
               Identifier target
               Identifier param1
               Identifier param2
              ExpressionList (children 4)
               Literal Float64_0.03
               Literal Float64_0.00001
               Literal UInt64_2
               Literal \'Nesterov\'
             Literal UInt64_1
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier defaults