CREATE TABLE table_20690 ("Year" FLOAT, "Starts" FLOAT, "Wins" FLOAT, "Top 10" FLOAT, "Avg. Start" CLOB, "Avg. Finish" CLOB, "Winnings" CLOB, "Position" CLOB, "Team ( s ) " CLOB)

What are the average start(s) when he had $1,663,868?
SELECT "Avg. Start" FROM table_20690 WHERE "Winnings" = '$1,663,868'
SELECT "Avg. Start" FROM "table_20690" WHERE "Winnings" = '$1,663,868'