CREATE TABLE table_26989 ("Expedition" CLOB, "Crew" CLOB, "Launch date" CLOB, "Flight up" CLOB, "Landing date" CLOB, "Flight down" CLOB, "Duration  ( days ) " CLOB)

Name the flight down for vladimir vasyutin , alexander volkov
SELECT "Flight down" FROM table_26989 WHERE "Crew" = 'Vladimir Vasyutin , Alexander Volkov'
SELECT "Flight down" FROM "table_26989" WHERE "Crew" = 'Vladimir Vasyutin , Alexander Volkov'