What is the away score with a record of 7-4, win% of 0.637, and 2010 season?
CREATE TABLE "year_by_year_performance" (
  "coach" text,
  "season" text,
  "record" text,
  "home" text,
  "away" text,
  "win_pct" real,
  "average_total_home_attendance" text
);
SELECT "away" FROM "year_by_year_performance" WHERE "record"='7-4' AND "win_pct"=0.637 AND "season"='2010';