Question: If the end (UTC) is January 31, 2007 23:09, what is the name of the spacewalkers?
Schema: create table table_22385461_8 (spacewalkers varchar, end__utc_ varchar, PRIMARY KEY (spacewalkers))
SQL: select spacewalkers from table_22385461_8 where end__utc_ = "january 31, 2007 23:09"