Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Banish any number of "Laval" monsters from your Graveyard; Special Summon an equal number of "Laval Tokens" (Pyro-Type/FIRE/Level 1/ATK 0/DEF 0) in Defense Position.
--紅蓮の炎壁
--Searing Fire Wall
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_TOKEN)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
s.listed_names={47658965}
s.listed_series={SET_LAVAL}
function s.cfilter(c)
	return c:IsSetCard(SET_LAVAL) and c:IsAbleToRemoveAsCost() and aux.SpElimFilter(c,true)
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE|LOCATION_GRAVE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	local g
	if Duel.IsPlayerAffectedByEffect(tp,CARD_SPIRIT_ELIMINATION) then
		g=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_MZONE,0,1,5,nil)
	else
		g=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_GRAVE,0,1,Duel.GetLocationCount(tp,LOCATION_MZONE),nil)
	end
	e:SetLabel(#g)
	Duel.Remove(g,POS_FACEUP,REASON_COST)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return (Duel.GetLocationCount(tp,LOCATION_MZONE)>0 or Duel.IsPlayerAffectedByEffect(tp,CARD_SPIRIT_ELIMINATION)) 
		and Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,SET_LAVAL,TYPES_TOKEN,0,0,1,RACE_PYRO,ATTRIBUTE_FIRE) end
	Duel.SetOperationInfo(0,CATEGORY_TOKEN,nil,e:GetLabel(),0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,e:GetLabel(),tp,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if ft<e:GetLabel() or not Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,SET_LAVAL,TYPES_TOKEN,0,0,1,RACE_PYRO,ATTRIBUTE_FIRE) then return end
	for i=1,e:GetLabel() do
		local token=Duel.CreateToken(tp,id+1)
		Duel.SpecialSummonStep(token,0,tp,tp,false,false,POS_FACEUP_DEFENSE)
	end
	Duel.SpecialSummonComplete()
end