Evil aliens have decided to kill everyone on Earth! Fortunately, they've given you two minutes to save as many as you can. All you have to do is name a country to save everyone in it.
if you counted bahrain as part of the arabian peninsula, even though it is an island nation, then you should count singapore as part of the malay peninsula as well.
Technically, Gibraltar is a peninsula on its own. But you're right, if they count Qatar for the Arabian Peninsula they should count Gibraltar for the Iberia Peninsula.