Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Each time a Spell Card is activated, place 1 Spell Counter on this card when that Spell resolves (max. 3). You can Tribute this card with 3 Spell Counters on it; Special Summon 1 "Buster Blader" from your hand, Deck, or GY.
--熟練の白魔導師
--Skilled White Magician
local s,id=GetID()
function s.initial_effect(c)
	c:EnableCounterPermit(COUNTER_SPELL)
	c:SetCounterLimit(COUNTER_SPELL,3)
	--add counter
	local e0=Effect.CreateEffect(c)
	e0:SetType(EFFECT_TYPE_CONTINUOUS+EFFECT_TYPE_FIELD)
	e0:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e0:SetCode(EVENT_CHAINING)
	e0:SetRange(LOCATION_MZONE)
	e0:SetOperation(aux.chainreg)
	c:RegisterEffect(e0)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_CONTINUOUS+EFFECT_TYPE_FIELD)
	e1:SetCode(EVENT_CHAIN_SOLVED)
	e1:SetRange(LOCATION_MZONE)
	e1:SetOperation(s.acop)
	c:RegisterEffect(e1)
	--special summon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCost(s.spcost)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
s.counter_place_list={COUNTER_SPELL}
s.listed_names={CARD_BUSTER_BLADER}
function s.acop(e,tp,eg,ep,ev,re,r,rp)
	if re:IsHasType(EFFECT_TYPE_ACTIVATE) and re:IsSpellEffect() and e:GetHandler():GetFlagEffect(1)>0 then
		e:GetHandler():AddCounter(COUNTER_SPELL,1)
	end
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():GetCounter(COUNTER_SPELL)==3 and e:GetHandler():IsReleasable() end
	Duel.Release(e:GetHandler(),REASON_COST)
end
function s.filter(c,e,tp)
	return c:IsCode(CARD_BUSTER_BLADER) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if e:GetHandler():GetSequence()<5 then ft=ft+1 end
	if chk==0 then return ft>0 and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK|LOCATION_HAND|LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,0,tp,LOCATION_DECK|LOCATION_HAND|LOCATION_GRAVE)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.filter),tp,LOCATION_DECK|LOCATION_HAND|LOCATION_GRAVE,0,1,1,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end