CREATE TABLE table_29896 ("Season" FLOAT, "LMP1 Winning Team" CLOB, "LMP2 Winning Driver" CLOB, "LMPC Winning Team" CLOB, "GT Winning Team" CLOB, "GTC Winning Team" CLOB, "Results" CLOB)

Who were the GT winning team when the GTC winning team was No. 54 Black Swan Racing?
SELECT "GT Winning Team" FROM table_29896 WHERE "GTC Winning Team" = 'No. 54 Black Swan Racing'
SELECT "GT Winning Team" FROM "table_29896" WHERE "GTC Winning Team" = 'No. 54 Black Swan Racing'