Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If you control exactly 1 Tuner and no other monsters: Special Summon 1 Level 4 or lower "Speedroid" monster from your Deck. Neither player can activate cards or effects when that monster is Special Summoned.
--スピードリフト
--Speedlift
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
s.listed_series={SET_SPEEDROID}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetFieldGroup(tp,LOCATION_MZONE,0)
	if #g~=1 then return false end
	local c=g:GetFirst()
	return c:IsFaceup() and c:IsType(TYPE_TUNER)
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(SET_SPEEDROID) and c:IsLevelBelow(4) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function s.activate(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 tc=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_DECK,0,1,1,nil,e,tp):GetFirst()
	if tc then
		if Duel.GetCurrentChain()==1 then
			--Neither player can activate cards or effects when it is summoned
			local e1=Effect.CreateEffect(e:GetHandler())
			e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
			e1:SetCode(EVENT_CHAIN_END)
			e1:SetCountLimit(1)
			e1:SetOperation(function() Duel.SetChainLimitTillChainEnd(aux.FALSE) end)
			e1:SetReset(RESET_PHASE|PHASE_END)
			Duel.RegisterEffect(e1,tp)
		end
		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
	end
end