CREATE TABLE table_541 ("Team" TEXT, "Car ( s ) " TEXT, "#" FLOAT, "Driver ( s ) " TEXT, "Primary Sponsor ( s ) " TEXT, "Owner ( s ) " TEXT, "Crew Chief" TEXT, "Rounds" FLOAT)

Which teams used Wally Rogers as their crew chief?
SELECT "Team" FROM table_541 WHERE "Crew Chief" = 'Wally Rogers'
SELECT "Team" FROM "table_541" WHERE "Crew Chief" = 'Wally Rogers'