CREATE TABLE table_45710 ("Year" FLOAT, "Games played" FLOAT, "Games won" FLOAT, "Games drawn" FLOAT, "Games lost" FLOAT, "Points for" FLOAT, "Points against" FLOAT, "Points difference" FLOAT, "Bonus points" FLOAT, "Table points" FLOAT)

Which Games lost has Points against of 61, and Points difference smaller than 42?
SELECT SUM("Games lost") FROM table_45710 WHERE "Points against" = '61' AND "Points difference" < '42'
SELECT SUM("Games lost") FROM "table_45710" WHERE "Points against" = '61' AND "Points difference" < '42'