CREATE TABLE table_25541 ("Event" FLOAT, "Circuit" CLOB, "Date" CLOB, "Pole Position" CLOB, "Race 1 Winner" CLOB, "Race 2 Winner" CLOB, "Race 3 Winner" CLOB)

How many race 3 winners were there when Mitch Evans won race 2?
SELECT COUNT("Race 3 Winner") FROM table_25541 WHERE "Race 2 Winner" = 'Mitch Evans'
SELECT COUNT("Race 3 Winner") FROM "table_25541" WHERE "Race 2 Winner" = 'Mitch Evans'