Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If this card in your possession is destroyed by an opponent's card effect and sent to your GY, or if this card is Special Summoned from the GY: You can target 1 Attack Position monster your opponent controls; destroy it. You can only use this effect of "Crow Tengu" once per turn.
--破魔のカラス天狗
--Crow Tengu
--scripted by pyrQ
local s,id=GetID()
function s.initial_effect(c)
	--Destroy
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_TO_GRAVE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e1:SetCountLimit(1,id)
	e1:SetCondition(s.descon1)
	e1:SetTarget(s.destg)
	e1:SetOperation(s.desop)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	e2:SetCondition(s.descon2)
	c:RegisterEffect(e2)
end
function s.descon1(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return rp==1-tp and c:IsReason(REASON_DESTROY) 
		and c:IsReason(REASON_EFFECT) and c:IsPreviousControler(tp)
end
function s.descon2(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsSummonLocation(LOCATION_GRAVE)
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsAttackPos() and chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(1-tp) end
	if chk==0 then return Duel.IsExistingTarget(Card.IsAttackPos,tp,0,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,Card.IsAttackPos,tp,0,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end