CREATE TABLE table_17972 ("Round" FLOAT, "Circuit" TEXT, "Date" TEXT, "Length" TEXT, "Pole Position" TEXT, "GT3 Winner" TEXT, "GTC Winner" TEXT)

what are all the circuit for gtc winner graeme mundy jamie smyth and pole position bradley ellis alex mortimer
SELECT "Circuit" FROM table_17972 WHERE "GTC Winner" = 'Graeme Mundy Jamie Smyth' AND "Pole Position" = 'Bradley Ellis Alex Mortimer'
SELECT "Circuit" FROM "table_17972" WHERE "GTC Winner" = 'Graeme Mundy Jamie Smyth' AND "Pole Position" = 'Bradley Ellis Alex Mortimer'