CREATE TABLE table_31835 ("Heat Rank" FLOAT, "Lane" FLOAT, "Swimmer" TEXT, "Country" TEXT, "Time" FLOAT, "Overall Rank" TEXT)

Tell me the highest time for heat rank of 8 and lane more than 2
SELECT MAX("Time") FROM table_31835 WHERE "Heat Rank" = '8' AND "Lane" > '2'
SELECT MAX("Time") FROM "table_31835" WHERE "Heat Rank" = '8' AND "Lane" > '2'