CREATE TABLE table_24973 ("#" TEXT, "Spacecraft" TEXT, "Spacewalkers" TEXT, "Start  (  UTC  ) " TEXT, "End  ( UTC ) " TEXT, "Duration" TEXT)

If the end (UTC) is January 31, 2007 23:09, what is the name of the spacewalkers?
SELECT "Spacewalkers" FROM table_24973 WHERE "End (UTC)" = 'January 31, 2007 23:09'
SELECT "Spacewalkers" FROM "table_24973" WHERE "End (UTC)" = 'January 31, 2007 23:09'