Question: What launched has Mariner 4 as the spacecraft?
SQL: SELECT "Launched" FROM "2-13698001-7" WHERE "Spacecraft" = 'Mariner 4';

Question: What launched has 158 days (5 months, 8 days) as the time elapsed?
SQL: SELECT "Launched" FROM "2-13698001-7" WHERE "Time elapsed" = '158 days (5 months, 8 days)';