CREATE TABLE table_20855 ("Year" FLOAT, "Date" TEXT, "Driver" TEXT, "Team" TEXT, "Manufacturer" TEXT, "Laps" TEXT, "Miles  ( km ) " TEXT, "Race time" TEXT, "Average speed  ( mph ) " TEXT, "Report" TEXT)

Name the miles for june 7
SELECT "Miles (km)" FROM table_20855 WHERE "Date" = 'June 7'
SELECT "Miles (km)" FROM "table_20855" WHERE "Date" = 'June 7'