Table: spacewalks_3
Columns: col
spacecraft
spacewalkers
start_utc
end_utc
duration

Question: What is the end (UTC) if the duration is 6 hours, 55 minutes?
SQL: SELECT "end_utc" FROM spacewalks_3 WHERE "duration" = '6 hours, 55 minutes'

Question: If the end (UTC) is January 31, 2007 23:09, what is the name of the spacewalkers?
SQL: SELECT "spacewalkers" FROM spacewalks_3 WHERE "end_utc" = 'January 31, 2007 23:09'

Question: What are the names of the spacewalkers for end (UTC) October 30, 2007 15:53?
SQL: SELECT "spacewalkers" FROM spacewalks_3 WHERE "end_utc" = 'October 30, 2007 15:53'