In this task you are given data in the tabular format and a question. Write the answer to the question based on the information in the table.

Table: ['', 'Country', 'Builder', 'Location', 'Ship', 'Class / type']. ['6 March', 'United States', 'John Roach and Son', 'Chester, Pennsylvania', 'City of Rio de Janeiro', 'Passenger ship']. ['13 May', 'Germany', 'Kaiserliche Werft Wilhelmshaven', 'Wilhelmshaven', 'Bayern', 'Sachsen-class ironclad']. ['13 June', 'United Kingdom', 'Royal Dockyard', 'Devonport, Devon', 'Pegasus', 'Doterel-class sloop']. ['31 August', 'United Kingdom', 'Royal Dockyard', 'Sheerness', 'Gannet', 'Doterel-class sloop']. ['23 October', 'Norway', 'Karljohansverns Verft', 'Horten', 'Nor', 'Vale-class gunboat']. ['1 November', 'Norway', 'Karljohansverns Verft', 'Horten', 'Brage', 'Vale-class gunboat']. ['9 November', 'Germany', 'A. G. Vulcan', 'Stettin', 'Wurttemberg', 'Sachsen-class ironclad']. Question: what class is the nor?
['Vale-class gunboat']

Table: ['Date', 'Opponent#', 'Rank#', 'Site', 'Result', 'Attendance']. ['September 12', '#1 Michigan', '', 'Camp Randall Stadium * Madison, WI', 'W 21-14', '68,733']. ['September 19', '#9 UCLA*', '#20', 'Camp Randall Stadium * Madison, WI', 'L 13-31', '71,496']. ['September 26', 'Western Michigan*', '', 'Camp Randall Stadium * Madison, WI', 'W 21-10', '67,196']. ['October 3', 'Purdue', '', 'Camp Randall Stadium * Madison, WI', 'W 20-14', '68,603']. ['October 10', '#18 Ohio State', '', 'Camp Randall Stadium * Madison, WI', 'W 24-21', '78,973']. ['October 17', 'at Michigan State', '#14', 'Spartan Stadium * East Lansing, MI', 'L 14-33', '67,352']. ['October 24', 'at Illinois', '', 'Memorial Stadium * Champaign, IL', 'L 21-23', '67,413']. ['October 31', 'Northwestern', '', 'Camp Randall Stadium * Madison, WI', 'W 52-0', '70,035']. ['November 7', 'at Indiana', '', 'Memorial Stadium * Bloomington, IN', 'W 28-7', '44,218']. ['November 14', 'Iowa', '', 'Camp Randall Stadium * Madison, WI', 'L 7-17', '78,731']. ['November 21', 'at Minnesota', '', "Memorial Stadium * Minneapolis, MN (Paul Bunyan's Axe)", 'W 26-21', '47,125']. ['December 13', 'vs. Tennessee*', '', 'Giants Stadium * East Rutherford, NJ (Garden State Bowl)', 'L 21-28', '53,220']. Question: what were the various values for game attendance in 1981?
['68,733', '71,496', '67,196', '68,603', '78,973', '67,352', '67,413', '70,035', '44,218', '78,731', '47,125', '53,220']

Table: ['Model name', 'Date', 'Type', 'Thrust (kg) / Power (eshp)', 'Fitted to']. ['RTD-1/VDR-2', '1938', 'Two-stage centrifugal compressor Turbojet', '500 kg estimated', 'Test-bed only']. ['S-18/VDR-3', '1945', 'Axial flow compressor Turbojet', '1,250 kg', 'Gu-VRD project']. ['TR-1', '1946', '8-stage Axial flow compressor Turbojet', '1,300 kg', 'Alekseyev I-21, Ilyushin Il-22, Sukhoi Su-10, Sukhoi Su-11']. ['TR-1A', '1947', '8-stage Axial flow compressor Turbojet', '1,500 kg', '']. ['TR-2', '1947', '', '', 'projected growth version of TR-1']. ['TR-3 and AL-5', '1949', '7-stage Axial-flow Turbojet', '4,600 kg (at qualification in 1950)', 'Il-30, Il-46, Lavochkin Aircraft 190, Tu-86, Yak-1000, Su-17(1949), Aircraft 150']. ['TR-7', '1950s', 'supersonic compressor prototype of the AL-7', '', 'Prototype for AL-7']. ['AL-7', '1954', '9-stage supersonic compressor Turbojet', '6,500 kg', 'Il-54, Su-7B, Tu-98, Su']. ['AL-21', '1961', '14-stage Axial compressor with variable stator blades', '11,000 kg', 'Yak-38, Tu-28/Tu-128, Su-17, Su-24']. ['AL-31', '1976', 'Twin-spool Turbofan 0.6 bypass ratio.', '13,300 kg', 'Su-27, Su-30, Su-34, Su-35, Su-47 Berkut']. Question: what are the thrust powers of the models?
500 kg estimated
1,250 kg
1,300 kg
1,500 kg
4,600 kg (at qualification in 1950)
6,500 kg
11,000 kg
13,300 kg