CREATE TABLE table_2518 ("Year" CLOB, "Date" CLOB, "Driver" CLOB, "Team" CLOB, "Manufacturer" CLOB, "Laps" CLOB, "Miles  ( km ) " CLOB, "Race Time" CLOB, "Average Speed  ( mph ) " CLOB, "Report" CLOB)

What was the average speed for a racetime of 3:08:08?
SELECT "Average Speed (mph)" FROM table_2518 WHERE "Race Time" = '3:08:08'
SELECT "Average Speed (mph)" FROM "table_2518" WHERE "Race Time" = '3:08:08'