Input: Read this: The State of the Union Addresses and other presidential speeches are translated to Spanish, following the precedent set by the Bill Clinton administration. Official Spanish translations are available at WhiteHouse.gov. Moreover, non-Hispanic American origin politicians fluent in Spanish-speak in Spanish to Hispanic majority constituencies. There are 500 Spanish newspapers, 152 magazines, and 205 publishers in the United States; magazine and local television advertising expenditures for the Hispanic market have increased much from 1999 to 2003, with growth of 58 percent and 43 percent, respectively.
Question: When did advertising for the English market increase?

Output: unanswerable


Input: Read this: Railways must operate at variable speeds. Until the mid 1980s this was only practical with the brush-type DC motor, although such DC can be supplied from an AC catenary via on-board electric power conversion. Since such conversion was not well developed in the late 19th century and early 20th century, most early electrified railways used DC and many still do, particularly rapid transit (subways) and trams. Speed was controlled by connecting the traction motors in various series-parallel combinations, by varying the traction motors' fields, and by inserting and removing starting resistances to limit motor current.
Question: What is speed limit for railways?

Output: variable speeds


Input: Read this: Located in Southern Europe, Greece consists of a mountainous, peninsular mainland jutting out into the sea at the southern end of the Balkans, ending at the Peloponnese peninsula (separated from the mainland by the canal of the Isthmus of Corinth) and strategically located at the crossroads of Europe, Asia, and Africa. Due to its highly indented coastline and numerous islands, Greece has the 11th longest coastline in the world with 13,676 km (8,498 mi); its land boundary is 1,160 km (721 mi). The country lies approximately between latitudes 34° and 42° N, and longitudes 19° and 30° E, with the extreme points being:
Question: Greece is where geographically?

Output: Southern Europe


Input: Read this: The books written later in the Abbasid period in Iran are more anti Umayyad. Iran was Sunni at the time. There was much anti Arab feeling in Iran after the fall of the Persian empire. This anti Arab feeling also influenced the books on Islamic history. Al-Tabri was also written in Iran during that period. Al-Tabri was a huge collection including all the text that he could find, from all the sources. It was a collection preserving everything for future generations to codify and for future generations to judge if it was true or false.
Question: What are the books written early in the Abbasid period like?

Output:
unanswerable