CREATE TABLE table_24631 ("Year" FLOAT, "Starts" FLOAT, "Wins" FLOAT, "Top 5" FLOAT, "Top 10" FLOAT, "Poles" FLOAT, "Avg. Start" TEXT, "Avg. Finish" TEXT, "Winnings" TEXT, "Position" TEXT, "Team ( s ) " TEXT)

Name the starts for 23.7
SELECT "Starts" FROM table_24631 WHERE "Avg. Start" = '23.7'
SELECT "Starts" FROM "table_24631" WHERE "Avg. Start" = '23.7'