what is solo when total tackles is 6?
CREATE TABLE "statistics" (
  "season" real,
  "team" text,
  "league" text,
  "games" text,
  "total_tackles" text,
  "solo" text,
  "tfl" text,
  "sacks" text,
  "int" text
);
SELECT "solo" FROM "statistics" WHERE "total_tackles"='6';