CREATE TABLE "nascar_nationwide_series" (
  "year" real,
  "starts" real,
  "wins" real,
  "top_5" real,
  "top_10" real,
  "poles" real,
  "avg_start" text,
  "avg_finish" text,
  "winnings" text,
  "position" text,
  "team_s" text
);

Question: How many different teams had an average start of 12.9?
SQL: SELECT COUNT("team_s") FROM "nascar_nationwide_series" 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_nationwide_series" 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_nationwide_series" 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_nationwide_series" 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_nationwide_series" WHERE "avg_finish"='21.5';