SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function largestTriangleThreeBuckets (children 2)
     ExpressionList (children 2)
      Literal UInt64_1
      Literal Float64_nan
     ExpressionList (children 1)
      Literal UInt64_1
