CREATE TABLE table_53583 ("Year" FLOAT, "Team" TEXT, "Co-Drivers" TEXT, "Class" TEXT, "Laps" FLOAT, "Pos." TEXT, "Class Pos." TEXT)

What position has less than 343 laps in 2010?
SELECT "Pos." FROM table_53583 WHERE "Laps" < '343' AND "Year" = '2010'
SELECT "Pos." FROM "table_53583" WHERE "Laps" < '343' AND "Year" = '2010'