CREATE TABLE table_16378 ("Planet" CLOB, "Planet Type" CLOB, "Semimajor Axis  (  AU  ) " CLOB, "Orbital Period" CLOB, "Radial velocity  ( m/s ) " CLOB, "Detectable by:" CLOB)

Which planet has an orbital period of 11.86 years?
SELECT "Planet" FROM table_16378 WHERE "Orbital Period" = '11.86 years'
SELECT "Planet" FROM "table_16378" WHERE "Orbital Period" = '11.86 years'