instruction:
This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.
question:
Passage: The next three popes, including Pope Emeritus Benedict XVI, were created cardinals by him. His immediate successor, Albino Luciani, who took the name John Paul I, was created a cardinal in the consistory of 5 March 1973. Karol Wojtyła was created a cardinal in the consistory of 26 June 1967. Joseph Ratzinger was created a cardinal in the small four-appointment consistory of 27 June 1977, which also included Bernardin Gantin from Benin, Africa. This became the last of Paul VI's consistories before his death in August 1978. Pope Paul was asked towards the end of his papacy whether he would retire at age 80, he replied "Kings can abdicate, Popes cannot."[citation needed] Question: How many future popes did Paul VI create first as cardinals?
answer:
three


question:
Passage: The city shares a 15-mile (24 km) border with Mexico that includes two border crossings. San Diego hosts the busiest international border crossing in the world, in the San Ysidro neighborhood at the San Ysidro Port of Entry. A second, primarily commercial border crossing operates in the Otay Mesa area; it is the largest commercial crossing on the California-Baja California border and handles the third-highest volume of trucks and dollar value of trade among all United States-Mexico land crossings. Question: Where is the next nearest commercial crossing at the border?
answer:
Otay Mesa


question:
Passage: Nanjing has been the educational centre in southern China for more than 1700 years. There are 75 institutions of higher learning till 2013. The number of National key laboratories, National key disciplines and the academicians of Chinese Academy of Sciences and Chinese Academy of Engineering all rank third in the nation. It boasts some of the most prominent educational institutions in the region, some of which are listed as follows: Question: What is Nanjing's nationwide ranking for National key disciplines?
answer:

third