CREATE TABLE table_19141 ("EDO Flight" FLOAT, "Shuttle" CLOB, "Mission" CLOB, "Launch Date" CLOB, "Duration" CLOB, "Primary Payload ( s ) " CLOB)

what's the mission with primary payload(s) being spacelab life sciences-2
SELECT "Mission" FROM table_19141 WHERE "Primary Payload(s)" = 'Spacelab Life Sciences-2'
SELECT "Mission" FROM "table_19141" WHERE "Primary Payload(s)" = 'Spacelab Life Sciences-2'