CREATE TABLE table_name_48 (heat VARCHAR2, nationality VARCHAR2, lane VARCHAR2, rank VARCHAR2)

How many heats had 2 lanes, a rank above 75, and nationality of Madagascar?
SELECT COUNT(heat) FROM table_name_48 WHERE lane = 2 AND rank > 75 AND nationality = "madagascar"
SELECT COUNT("heat") FROM "table_name_48" WHERE "lane" = 2 AND "madagascar" = "nationality" AND "rank" > 75