what's the incumbent with candidates being sam hobbs (d) 88.2% c. w. mckay (r) 11.8%
create table table_1342292_2 (incumbent varchar, candidates varchar, PRIMARY KEY (incumbent))
select incumbent from table_1342292_2 where candidates = "sam hobbs (d) 88.2% c. w. mckay (r) 11.8%"