Input: Article: In 1987, occupations and units with the primary role of preparing for direct involvement in combat on the ground or at sea were still closed to women: infantry, armoured corps, field artillery, air-defence artillery, signals, field engineers, and naval operations. On 5 February 1987, the Minister of National Defence created an office to study the impact of employing men and women in combat units. These trials were called Combat-Related Employment of Women.

Now answer this question: On what date was a study created to research the impart of women in direct involvement?

Output: 5 February 1987

Input: Article: Political parties, still called factions by some, especially those in the governmental apparatus, are lobbied vigorously by organizations, businesses and special interest groups such as trade unions. Money and gifts-in-kind to a party, or its leading members, may be offered as incentives. Such donations are the traditional source of funding for all right-of-centre cadre parties. Starting in the late 19th century these parties were opposed by the newly founded left-of-centre workers' parties. They started a new party type, the mass membership party, and a new source of political fundraising, membership dues.

Now answer this question: Around which time was the mass membership party started?

Output: 19th century

Input: Article: Oklahoma is in the nation's middle percentile in per capita spending on the arts, ranking 17th, and contains more than 300 museums. The Philbrook Museum of Tulsa is considered one of the top 50 fine art museums in the United States, and the Sam Noble Oklahoma Museum of Natural History in Norman, one of the largest university-based art and history museums in the country, documents the natural history of the region. The collections of Thomas Gilcrease are housed in the Gilcrease Museum of Tulsa, which also holds the world's largest, most comprehensive collection of art and artifacts of the American West.

Now answer this question: How many museums are in Oklahoma?

Output:
more than 300