CREATE TABLE table_77708 ("Name" TEXT, "Bodyweight" FLOAT, "Snatch" FLOAT, "Clean & jerk" FLOAT, "Total  ( kg ) " FLOAT)

Tell me the highest snatch for 68.63 bodyweight and total kg less than 290
SELECT MAX("Snatch") FROM table_77708 WHERE "Bodyweight" = '68.63' AND "Total (kg)" < '290'
SELECT MAX("Snatch") FROM "table_77708" WHERE "Bodyweight" = '68.63' AND "Total (kg)" < '290'