Input: Article: The earliest disc records (18891894) were made of various materials including hard rubber. Around 1895, a shellac-based compound was introduced and became standard. Exact formulas for this compound varied by manufacturer and over the course of time, but it was typically composed of about one-third shellac and about two-thirds mineral filler, which meant finely pulverized rock, usually slate and limestone, with an admixture of cotton fibers to add tensile strength, carbon black for color (without this, it tended to be a "dirty" gray or brown color that most record companies considered unattractive), and a very small amount of a lubricant to facilitate mold release during manufacture. Some makers, notably Columbia Records, used a laminated construction with a core disc of coarser material or fiber. The production of shellac records continued until the end of the 78 rpm format (i.e., the late 1950s in most developed countries, but well into the 1960s in some other places), but increasingly less abrasive formulations were used during its declining years and very late examples in truly like-new condition can have as low noise levels as vinyl.

Now answer this question: What materials were discs made of in 1889-1894?

Output: hard rubber

Input: Article: Archaeological evidence shows that Homo erectus lived in the region now known as Myanmar as early as 400,000 years ago. The first evidence of Homo sapiens is dated to about 11,000 BC, in a Stone Age culture called the Anyathian with discoveries of stone tools in central Myanmar. Evidence of neolithic age domestication of plants and animals and the use of polished stone tools dating to sometime between 10,000 and 6,000 BC has been discovered in the form of cave paintings near the city of Taunggyi.

Now answer this question: What extinct species of hominid that lived throughout most of the Pleistocene geological period is believed to have dwelled in Myanmar?

Output: Homo erectus

Input: Article: Poland's nobility were also more numerous than those of all other European countries, constituting some 1012% of the total population of historic PolishLithuanian Commonwealth also some 1012% among ethnic Poles on ethnic Polish lands (part of Commonwealth), but up to 25% of all Poles worldwide (szlachta could dispose more of resources to travels and/or conquering), while in some poorer regions (e.g., Mazowsze, the area centred on Warsaw) nearly 30%. However, according to szlachta comprised around 8% of the total population in 1791 (up from 6.6% in the 16th century), and no more than 16% of the Roman Catholic (mostly ethnically Polish) population. It should be noted, though, that Polish szlachta usually incorporated most local nobility from the areas that were absorbed by PolandLithuania (Ruthenian boyars, Livonian nobles, etc.) By contrast, the nobilities of other European countries, except for Spain, amounted to a mere 13%, however the era of sovereign rules of Polish nobility ended earlier than in other countries (excluding France) yet in 1795 (see: Partitions of Poland), since then their legitimation and future fate depended on legislature and procedures of Russian Empire, Kingdom of Prussia or Habsburg Monarchy. Gradually their privileges were under further limitations to be completely dissolved by March Constitution of Poland in 1921.

Now answer this question: How many nobilities made up other European countries besides poland lithuania?

Output:
13%