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: ['#', 'Name', 'Office', 'Political Party', 'Occupation']. ['1', 'Ole Olsen Stromme', '1886-1901', '', 'Church bell ringer']. ['2', 'Peder Olai Kleppe', '1902-1919', '', 'Fisherman']. ['3', 'Olai Naustheller', '1920-1925', '', 'Farmer']. ['4', 'Mikkel Nilsen Birkeland', '1926-1935', '', 'Farmer']. ['5', 'Magnus Larssen', '1935-1937', '', 'School teacher']. ['6', 'Salomon O. Fagerbakke', '1938-1945', '', 'Fisherman']. ['7', 'Salomon V. Kalvenes', '1946-1959', '', 'Fisherman']. ['8', 'Rikard S. Storebo', '1960-1969', 'Liberal Party', 'Social security manager']. ['9', 'Peder Kalve', '1970-1975', 'Conservative Party', 'Maritime pilot']. ['10', 'Magnus Stangeland', '1976-1981', 'Centre Party', 'School principal']. ['11', 'Knut K. Kalvenes', '1982-1985', 'Conservative Party', 'Retailer']. ['12', 'Hallvard Mogster', '1986-1989', 'Christian Democratic Party', 'Captain']. ['13', 'Inge Bjarne Storebo', '1990-2001', 'Conservative Party', 'Bank manager']. ['14', 'Olav P. Arland', '2001-2003', 'Christian Democratic Party', 'Shipmaster']. ['15', 'Helge Andre Njastad', '2003-', 'Progress Party', 'Student']. Question: what mayors were in the conservative party?
Conservative Party, Conservative Party, Conservative Party