CREATE TABLE table_48353 ("Discipline" TEXT, "Championship" TEXT, "Circuit" TEXT, "Event" TEXT, "Session" TEXT)

In the Indianapolis Sweepstakes race session, what is the championship?
SELECT "Championship" FROM table_48353 WHERE "Session" = 'race' AND "Event" = 'indianapolis sweepstakes'
SELECT "Championship" FROM "table_48353" WHERE "Event" = 'indianapolis sweepstakes' AND "Session" = 'race'