CREATE TABLE table_72170 ("Round" FLOAT, "Grand Prix" CLOB, "Pole Position" CLOB, "Fastest Lap" CLOB, "Winning Driver" CLOB, "Winning Constructor" CLOB, "Report" CLOB)

Which round had Michael Schumacher in the pole position, David Coulthard with the fastest lap, and McLaren - Mercedes as the winning constructor?
SELECT COUNT("Round") FROM table_72170 WHERE "Pole Position" = 'Michael Schumacher' AND "Fastest Lap" = 'David Coulthard' AND "Winning Constructor" = 'McLaren - Mercedes'
SELECT COUNT("Round") FROM "table_72170" WHERE "Fastest Lap" = 'David Coulthard' AND "Pole Position" = 'Michael Schumacher' AND "Winning Constructor" = 'McLaren - Mercedes'