Problem: Given the question: Extract the answer to the question from the following context. Question: In the article, when did Americans go to the Philippines? Context: In January 2002, the United States Special Operations Command, Pacific deployed to the Philippines to advise and assist the Armed Forces of the Philippines in combating Filipino Islamist groups. The operations were mainly focused on removing the Abu Sayyaf group and Jemaah Islamiyah (JI) from their stronghold on the island of Basilan. The second portion of the operation was conducted as a humanitarian program called "Operation Smiles". The goal of the program was to provide medical care and services to the region of Basilan as part of a "Hearts and Minds" program. Joint Special Operations Task Force Philippines disbanded in June 2014, ending a 14-year mission. After JSOTF-P disbanded, as late as November 2014, American forces continued to operate in the Philippines under the name "PACOM Augmentation Team".
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The answer is:
January 2002

Problem: Given the question: Extract the answer to the question from the following context. Question: What method pioneered the movement forward for sound systems? Context: The development of quadraphonic records was announced in 1971. These recorded four separate sound signals. This was achieved on the two stereo channels by electronic matrixing, where the additional channels were combined into the main signal. When the records were played, phase-detection circuits in the amplifiers were able to decode the signals into four separate channels. There were two main systems of matrixed quadraphonic records produced, confusingly named SQ (by CBS) and QS (by Sansui). They proved commercially unsuccessful, but were an important precursor to later surround-sound systems, as seen in SACD and home cinema today.
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The answer is:
This was achieved on the two stereo channels by electronic matrixing, where the additional channels were combined into the main signal

Problem: Given the question: Extract the answer to the question from the following context. Question: what nation in the passage starts with E? Context: The monarchs of England and the United Kingdom had ministers in whom they placed special trust and who were regarded as the head of the government. Examples were Thomas Cromwell under Henry VIII; William Cecil, Lord Burghley under Elizabeth I; Clarendon under Charles II and Godolphin under Queen Anne. These ministers held a variety of formal posts, but were commonly known as "the minister", the "chief minister", the "first minister" and finally the "prime minister".
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The answer is:
England