CREATE TABLE "coaching_records" (
  "years" text,
  "coach" text,
  "seasons" real,
  "wins" real,
  "losses" real,
  "ties" text,
  "pct" text
);

Question: Which Notre Dame coach lost 15 games?
SQL: SELECT "coach" FROM "coaching_records" WHERE "losses"=15;

Question: How many losses did Notre Dame have in 1904?
SQL: SELECT AVG("losses") FROM "coaching_records" WHERE "years"='1904';

Question: What was the winning percent of Notre Dame in 1905?
SQL: SELECT "pct" FROM "coaching_records" WHERE "years"='1905';