CREATE TABLE table_6254 ("Year" FLOAT, "Class" TEXT, "Team" TEXT, "Chassis" TEXT, "Tyre" TEXT, "Laps" FLOAT)

What is the total number of Laps that's got a Year less than 1987?
SELECT SUM("Laps") FROM table_6254 WHERE "Year" < '1987'
SELECT SUM("Laps") FROM "table_6254" WHERE "Year" < '1987'