Question: Name the duration for Georgi Grechko
SQL: SELECT "Duration (days)" FROM "1-245801-1" WHERE "Crew" = 'Georgi Grechko';

Question: Name the flight up for 10 December 1982 19:02:36 UTC
SQL: SELECT "Flight up" FROM "1-245801-1" WHERE "Landing date" = '10 December 1982 19:02:36 UTC';

Question: Name the launch date for  Vladimir Lyakhov , Aleksandr Pavlovich Aleksandrov
SQL: SELECT "Launch date" FROM "1-245801-1" WHERE "Crew" = 'Vladimir Lyakhov , Aleksandr Pavlovich Aleksandrov';

Question: Name the flight down for Vladimir Vasyutin , Alexander Volkov
SQL: SELECT "Flight down" FROM "1-245801-1" WHERE "Crew" = 'Vladimir Vasyutin , Alexander Volkov';

Question: Name the duration for  Vladimir Vasyutin , Alexander Volkov
SQL: SELECT COUNT("Duration (days)") FROM "1-245801-1" WHERE "Crew" = 'Vladimir Vasyutin , Alexander Volkov';