Provide me with the names of all the villages (German) that has 76.3% of Slovenes in 1951.
create table table_10798421_1 (village__german_ varchar, percent_of_slovenes_1951 varchar, PRIMARY KEY (village__german_))
select village__german_ from table_10798421_1 where percent_of_slovenes_1951 = "76.3%"