CREATE TABLE table_66341 ("Rank" FLOAT, "Heat" FLOAT, "Lane" FLOAT, "Name" TEXT, "Nationality" TEXT, "Time" TEXT)

What is the sum of heat for christophe lebon when lane is less than 4?
SELECT COUNT("Heat") FROM table_66341 WHERE "Lane" < '4' AND "Name" = 'christophe lebon'
SELECT COUNT("Heat") FROM "table_66341" WHERE "Lane" < '4' AND "Name" = 'christophe lebon'