CREATE TABLE table_15945 ("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)

How many wins happened in 1983?
SELECT MIN("Wins") FROM table_15945 WHERE "Year" = '1983'
SELECT MIN("Wins") FROM "table_15945" WHERE "Year" = '1983'