Please answer this: Extract the answer to the question from the following context. Question: How much did the renewable energy account for in improvement? Context: In 2008 renewable energy accounted for 8% of the country's total energy consumption, a rise from the 7.2% it accounted for in 2006, but still below the EU average of 10% in 2008. 10% of the country's renewable energy comes from solar power, while most comes from biomass and waste recycling. In line with the European Commission's Directive on Renewable Energy, Greece aims to get 18% of its energy from renewable sources by 2020. In 2013 and for several months, Greece produced more than 20% of its electricity from renewable energy sources and hydroelectric power plants. Greece currently does not have any nuclear power plants in operation, however in 2009 the Academy of Athens suggested that research in the possibility of Greek nuclear power plants begin.
++++++++
Answer: 7.2%

Please answer this: Extract the answer to the question from the following context. Question: Which of the following does not have elevators: guyed masts, safety lamps or towers? Context: A climbing elevator is a self-ascending elevator with its own propulsion. The propulsion can be done by an electric or a combustion engine. Climbing elevators are used in guyed masts or towers, in order to make easy access to parts of these constructions, such as flight safety lamps for maintenance. An example would be the Moonlight towers in Austin, Texas, where the elevator holds only one person and equipment for maintenance. The Glasgow Tower an observation tower in Glasgow, Scotland also makes use of two climbing elevators.
++++++++
Answer: safety lamps

Please answer this: Extract the answer to the question from the following context. Question: What is a word to describe something you can count on? Context: In Indian philosophy, Yoga is among other things, the name of one of the six astika philosophical schools. The Yoga philosophical system is closely allied with the dualism premises of Samkhya school. The Yoga school accepts the Samkhya psychology and metaphysics, but is considered theistic because it accepts the concept of "personal god", unlike Samkhya. The epistemology of the Yoga school, like the Samkhya school, relies on three of six pramanas as the means of gaining reliable knowledge: pratyaksa (perception), anumana (inference) and sabda (aptavacana, word/testimony of reliable sources).
++++++++
Answer:
reliable