CREATE TABLE table_71224 ("Rank" FLOAT, "Lane" FLOAT, "Name" TEXT, "Nationality" TEXT, "Time" FLOAT)

What lane did the swimmer with a time of 52.84 have?
SELECT MAX("Lane") FROM table_71224 WHERE "Time" = '52.84'
SELECT MAX("Lane") FROM "table_71224" WHERE "Time" = '52.84'