Definition: This task involves creating questions from a given passage that involve some kind of complex reasoning (including numerical reasoning).
The generated questions must require looking at more than one part of the passage to answer. Try to use a variety of reasoning types in your questions (some of the sample reasoning types are illustrated in the 'positive examples' field) and also have a variety of answer types (spans, numbers, dates). A span is a continuous phrase taken directly from the passage or question. In such questions, the answer spans are recommended to be five words. Questions with answer type "number", are expected to start with "How many". For instance, "How long did an event last?" can be phrased as "How many years did an event last?". To increase diversity, try to create more questions for which the answer will be multiple spans. Please create questions that require AT LEAST 2 arithmetic operations as illustrated in the 'positive examples' field. You are encouraged to try DIFFERENT COMBINATIONS of operations and not just limit to the combinations shown in those examples. The more challenging questions you create, the better it is.
Input: Passage: Geographic knowledge of the Canary islands coalesced with these expeditions. La Gomera and El Hierro are depicted in the 1367 portolan of the brothers Domenico and Francesco Pizzigano. The Catalan Atlas of 1375 shows the Canaries almost completely and accurately mapped . The eleven islands are named in the Catalan Atlas as Graciosa ,laregranza , rocho , Insula de lanzaroto maloxelo , insula de li vegi marin , forteventura , Insula de Canaria , Insula del infernio , insula de gomera , insula de lo fero . The name 'tenerefiz' is first given alongside 'Infierno' in the 1385 Libro del Conoscimiento. During the 1370s, when Portugal and Castile were engaged in dynastic wars following the assassination of Peter I of Castile, Portuguese and Castilian privateers were dispatched against each other, several of which made detours to the Canary islands for shelter or slave-raiding jaunts. Ignoring the 1344 bull, Ferdinand I of Portugal granted the islands of Lanzarote and La Gomera to the adventurer 'Lancarote da Franquia' . This Lanzarote made an attempt to seize the islands and is reported to have engaged in fighting with "Guanches and Castilians" there. There are several other expeditions, since determined to be apocryphal. Among those deemed purely legendary are:.
Output:
How many islands were granted to Lancarote da Franquia by Ferdinand I of Portugal?