CREATE TABLE table_33783 ("Rank" FLOAT, "Heat" FLOAT, "Lane" FLOAT, "Name" TEXT, "Nationality" TEXT, "Time" FLOAT)

What was the highest heat with a time slower than 48.87 from sweden?
SELECT MAX("Heat") FROM table_33783 WHERE "Time" > '48.87' AND "Nationality" = 'sweden'
SELECT MAX("Heat") FROM "table_33783" WHERE "Nationality" = 'sweden' AND "Time" > '48.87'