CREATE TABLE table_26506 ("Rnd" FLOAT, "Circuit" TEXT, "LMP Winning Team" TEXT, "LMPC Winning Team" TEXT, "GT Winning Team" TEXT, "GTC Winning Team" TEXT, "Results" TEXT)

What was the gtc winning team when lmp winning team was #8 drayson racing?
SELECT "GTC Winning Team" FROM table_26506 WHERE "LMP Winning Team" = '#8 Drayson Racing'
SELECT "GTC Winning Team" FROM "table_26506" WHERE "LMP Winning Team" = '#8 Drayson Racing'