What was the percent of slovenes 1951 for bach?
{'header': ['Village (German)', 'Village (Slovene)', 'Number of people 1991', 'Percent of Slovenes 1991', 'Percent of Slovenes 1951'], 'page_title': 'Ludmannsdorf', 'section_title': '', 'caption': 'References', 'rows': [['Bach', 'Potok', '104', '15.4%', '98.6%'], ['Edling', 'Kajzaze', '191', '27.2%', '96.3%'], ['Fellersdorf', 'Bilnjovs', '52', '36.5%', '83.8%'], ['Franzendorf', 'Branča vas', '164', '23.8%', '63.8%'], ['Großkleinberg', 'Mala gora', '41', '36.6%', '100%'], ['Ludmannsdorf', 'Bilčovs', '150', '50.7%', '88.3%'], ['Lukowitz', 'Koviče', '91', '12.1%', '60.4%'], ['Moschenitzen', 'Moščenica', '50', '98.0%', '100%'], ['Muschkau', 'Muškava', '88', '18.2%', '94.0%'], ['Niederdörfl', 'Spodnja vesca', '98', '13.3%', '55.3%'], ['Oberdörfl', 'Zgornja vesca', '121', '27.3%', '46.5%'], ['Pugrad', 'Podgrad', '132', '28,8%', '37.8%'], ['Rupertiberg', 'Na gori', '57', '33.3%', '55.4%'], ['Selkach', 'Želuče', '99', '57.6%', '84.3%'], ['Strein', 'Stranje', '30', '60.0%', '100%'], ['Wellersdorf', 'Velinja vas', '115', '40.0%', '88.0%']]}