Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: As a result of continued decline in the traditional Gaelic heartlands, today no Civil parishes in Scotland in Scotland has a proportion of Gaelic speakers greater than 65% (the highest value is in Barvas, Isle of Lewis, with 64.1%). In addition, no civil parish on mainland Scotland has a proportion of Gaelic speakers greater than 20% (the highest value is in Ardnamurchan, Highland (council area), with 19.3%). Out of a total of 871 civil parishes in Scotland, the proportion of Gaelic speakers exceeds 50% in 7 parishes, exceeds 25% in 14 parishes, and exceeds 10% in 35 parishes. Decline in traditional areas has recently been balanced by growth in the Scottish Lowlands. Between the 2001 and 2011 censuses, the number of Gaelic speakers rose in nineteen of the countrys 32 council areas. The largest absolute gains were in Aberdeenshire (council area) (+526), North Lanarkshire (+305), City of Aberdeen (+216), and East Ayrshire (+208). The largest relative gains were in Aberdeenshire (+0.19%), East Ayrshire (+0.18%), Moray (+0.16%), and Orkney Islands (+0.13%). 
 Question: Which area has a greater percentage of people that speak Gaelic, Barvas or Ardnamurchan?
barvas

Context: Villa Wartholz was designed by Heinrich von Ferstel in the historicist style in the years 1870 to 1872 for Archduke Karl Ludwig of Austria. 
 Question: What is the name of the Villa Wartholz architect?
heinrich von ferstel

Context: If you wish to become a better reader, here are four important things to remember about reading _ : * Knowing why you are reading or what you are reading to find out will often help you to know whether to read rapidly or slowly. * Some things should be read slowly throughout. Examples are directions for making or doing something, arithmetic problems, science and history books, which are full of important information. You must read such things slowly to remember each important step and understand each important ideas. * Some things should be read rapidly throughout. Examples are simple stories meant for enjoyment, news letters from friends, pieces of news from local, or home-town, papers, telling what is happening to friends and neighbors. * In some of your reading, you must change your speed from fast to slow and slow to fast, as you go along. You will need to read certain pages rapidly and then slow down and do more careful reading when you come to important ideas which must be remembered. 
 Question: Which should be read slowly according to the passage?

arithmetic problems