CREATE TABLE table_name_98 (winning_driver VARCHAR, winning_team VARCHAR, circuit VARCHAR)

Name the winning driver for mobilecast impul and twin ring motegi
SELECT winning_driver FROM table_name_98 WHERE winning_team = "mobilecast impul" AND circuit = "twin ring motegi"
SELECT "winning_driver" FROM "table_name_98" WHERE "circuit" = "twin ring motegi" AND "mobilecast impul" = "winning_team"