This task is about creating an unanswerable question based on a given passage. Construct a question that looks relevant to the given context but is unanswerable. Following are a few suggestions about how to create unanswerable questions:
(i) create questions which require satisfying a constraint that is not mentioned in the passage
(ii) create questions which require information beyond what is provided in the passage in order to answer
(iii) replace an existing entity, number, date mentioned in the passage with other entity, number, date and use it in the question
(iv) create a question which is answerable from the passage and then replace one or two words by their antonyms or insert/remove negation words to make it unanswerable.

Passage: Like much of the south Atlantic region of the United States, Jacksonville has a humid subtropical climate (Köppen Cfa), with mild weather during winters and hot and humid weather during summers. Seasonal rainfall is concentrated in the warmest months from May through September, while the driest months are from November through April. Due to Jacksonville's low latitude and coastal location, the city sees very little cold weather, and winters are typically mild and sunny. Summers can be hot and wet, and summer thunderstorms with torrential but brief downpours are common.
Was city has a tropical climate?

Passage: Second, Democrats have always elevated their minority floor leader to the speakership upon reclaiming majority status. Republicans have not always followed this leadership succession pattern. In 1919, for instance, Republicans bypassed James R. Mann, R-IL, who had been minority leader for eight years, and elected Frederick Gillett, R-MA, to be Speaker. Mann "had angered many Republicans by objecting to their private bills on the floor;" also he was a protégé of autocratic Speaker Joseph Cannon, R-IL (1903–1911), and many Members "suspected that he would try to re-centralize power in his hands if elected Speaker." More recently, although Robert H. Michel was the Minority Leader in 1994 when the Republicans regained control of the House in the 1994 midterm elections, he had already announced his retirement and had little or no involvement in the campaign, including the Contract with America which was unveiled six weeks before voting day.
What have Republicans always elevated their minority floor leader to when obtaining majority status?

Passage: In 885 AD the Armenians reestablished themselves as a sovereign kingdom under the leadership of Ashot I of the Bagratid Dynasty. A considerable portion of the Armenian nobility and peasantry fled the Byzantine occupation of Bagratid Armenia in 1045, and the subsequent invasion of the region by Seljuk Turks in 1064. They settled in large numbers in Cilicia, an Anatolian region where Armenians were already established as a minority since Roman times. In 1080, they founded an independent Armenian Principality then Kingdom of Cilicia, which became the focus of Armenian nationalism. The Armenians developed close social, cultural, military, and religious ties with nearby Crusader States, but eventually succumbed to Mamluk invasions. In the next few centuries, Djenghis Khan, Timurids, and the tribal Turkic federations of the Ak Koyunlu and the Kara Koyunlu ruled over the Armenians.

What did the Seljuk Turks invade in 885 AD?