Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If this card is Tribute Summoned: Special Summon 1 "Ice Coffin Token" (Aqua/WATER/Level 1/ATK 1000/DEF 0) in Attack Position to your opponent's field. This Token cannot be Tributed for a Tribute Summon.
--氷結界のロイヤル・ナイト
--Royal Knight of the Ice Barrier
local s,id=GetID()
function s.initial_effect(c)
	--Special summon 1 token to opponent's field
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_TOKEN)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
s.listed_names={66661679}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsTributeSummoned()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,0)
	Duel.SetOperationInfo(0,CATEGORY_TOKEN,nil,1,tp,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(1-tp,LOCATION_MZONE,tp)>0
		and Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,0,TYPES_TOKEN,1000,0,1,RACE_AQUA,ATTRIBUTE_WATER,POS_FACEUP_ATTACK,1-tp) then
		local token=Duel.CreateToken(tp,id+1)
		Duel.SpecialSummonStep(token,0,tp,1-tp,false,false,POS_FACEUP_ATTACK)
		--Cannot be tributed for a tribute summon
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetDescription(3304)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UNRELEASABLE_SUM)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_CLIENT_HINT)
		e1:SetValue(1)
		e1:SetReset(RESET_EVENT|RESETS_STANDARD)
		token:RegisterEffect(e1,true)
		Duel.SpecialSummonComplete()
	end
end