Table: nascar_driver_stats_4
Columns: year
starts
wins
top_5
top_10
poles
avg_start
avg_finish
winnings
position
team_s

Question: How many different teams had an average start of 12.9?
SQL: SELECT COUNT("team_s") FROM nascar_driver_stats_4 WHERE "avg_start" = '12.9'

Question: How high was the amount of winnings (in $) in the year with 15 starts?
SQL: SELECT "winnings" FROM nascar_driver_stats_4 WHERE "starts" = 15

Question: How many different amounts of winnings were there for the year when the team had an average finish of 17.4?
SQL: SELECT COUNT("winnings") FROM nascar_driver_stats_4 WHERE "avg_finish" = '17.4'

Question: What was the top 5 in the year with an average finish of 8.2?
SQL: SELECT MIN("top_5") FROM nascar_driver_stats_4 WHERE "avg_finish" = '8.2'

Question: What was the position of the team with an average finish of 21.5?
SQL: SELECT "position" FROM nascar_driver_stats_4 WHERE "avg_finish" = '21.5'