CREATE TABLE table_203_131 (id DECIMAL, "pos." DECIMAL, "car #" DECIMAL, "driver" TEXT, "make" TEXT, "team" TEXT)

did jason leffler race for braun racing or michael waltrip racing ?
SELECT "team" FROM table_203_131 WHERE "team" IN ('braun racing', 'michael waltrip racing') AND "driver" = 'jason leffler'
SELECT "team" FROM "table_203_131" WHERE "driver" = 'jason leffler' AND "team" IN ('braun racing', 'michael waltrip racing')