CREATE TABLE table_80448 ("Race" TEXT, "Dist  ( f ) " FLOAT, "Course" TEXT, "Class" TEXT, "Prize  ( \\u00a3K ) " FLOAT, "Odds" TEXT, "Runners" FLOAT, "Placing" FLOAT, "Margin" TEXT, "Time" TEXT, "Jockey" TEXT, "Trainer" TEXT)

Name the least runners with dist of 10.5
SELECT MIN("Runners") FROM table_80448 WHERE "Dist (f)" = '10.5'
SELECT MIN("Runners") FROM "table_80448" WHERE "Dist (f)" = '10.5'