Task: Question Answering
Input (English): Passage: Wormshill includes two farms: Yew Tree Farm (dairy farming) at the south end of the village, and Norwood Farm (fruit and other crops) at the north end. A third farm, Home Farm appeared on late 19th and early 20th centuries Ordnance Survey maps in the centre of the village. This farm is no longer in use, but some outbuildings remain. Wormshill at one time included a blacksmith's shop, which is recorded on Ordnance Survey maps until 1898.  According to the 1831 Census, 40 of the 48 adult males in the village were employed in the agricultural sector. Census records from the mid-to-late 19th century show a marked increase in the construction of new homes, representing the largest growth in the village for the next 100 years; however, the 1901 Census still described the majority of workers as "labourers and servants". The population spike between 1821 and 1901 is a trend typical to the general growth in the need for physical labour from parishes in the Kent downland agricultural region in the 19th century which was followed in the early 20th century by the increasing mechanisation of farming activity. Although the farms continue to employ from the village, as of 2008 Wormshill is largely a dormitory village, with residents employed in nearby towns or commuting to London. The socio-economic classification of Census 2001 indicated that the most common occupations were "lower managerial and professional occupations" (21.9 percent) and "small employers and own account workers" (15.2 percent). 
Question: What is the second most common occupation group for residents of the village that mostly commutes to London?
Output (English): small employers and own account workers.