Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Target 1 face-up Spell/Trap on the field; destroy it. If your opponent controls 2 or more Spells/Traps and you control no Spells/Traps, you can activate this card from your hand.
--タイフーン
--Typhoon
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMING_END_PHASE)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	--act in hand
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_TRAP_ACT_IN_HAND)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCondition(s.handcon)
	c:RegisterEffect(e2)
end
function s.handcon(e)
	local tp=e:GetHandlerPlayer()
	return not Duel.IsExistingMatchingCard(Card.IsSpellTrap,tp,LOCATION_ONFIELD,0,1,nil)
		and Duel.IsExistingMatchingCard(Card.IsSpellTrap,tp,0,LOCATION_ONFIELD,2,nil)
end
function s.filter(c)
	return c:IsFaceup() and c:IsSpellTrap()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and s.filter(chkc) and chkc~=e:GetHandler() end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,e:GetHandler()) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,1,e:GetHandler())
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end