question: What were the total games in the Big Ten conference when Nebraska lost fewer than 488 games and had a Pct less than 0.7014?
answer: SELECT SUM(total_games) FROM table_name_68 WHERE conference = "big ten" AND lost < 488 AND team = "nebraska" AND pct < 0.7014
context: CREATE TABLE table_name_68 (total_games INTEGER, pct VARCHAR, team VARCHAR, conference VARCHAR, lost VARCHAR)