CREATE TABLE table_69168 ("Start" TEXT, "Qual" TEXT, "Rank" TEXT, "Finish" TEXT, "Laps" FLOAT)

What is the sum of all laps starting at 10 and finishing at 20?
SELECT SUM("Laps") FROM table_69168 WHERE "Start" = '10' AND "Finish" = '20'
SELECT SUM("Laps") FROM "table_69168" WHERE "Finish" = '20' AND "Start" = '10'