CREATE TABLE table_21991 ("Spaceport" CLOB, "Launch complex" CLOB, "Launcher" CLOB, "Spacecraft" CLOB, "Flights" CLOB, "Years" CLOB)

What spacecraft was launched from the LC34 launch complex?
SELECT "Spacecraft" FROM table_21991 WHERE "Launch complex" = 'LC34'
SELECT "Spacecraft" FROM "table_21991" WHERE "Launch complex" = 'LC34'