CREATE TABLE table_21994 ("Spaceport" CLOB, "Launch complex" CLOB, "Launcher" CLOB, "Spacecraft" CLOB, "Flights" CLOB, "Years" CLOB)

What years had 134 orbital flights?
SELECT "Years" FROM table_21994 WHERE "Flights" = '134 Orbital'
SELECT "Years" FROM "table_21994" WHERE "Flights" = '134 Orbital'