CREATE TABLE "achievements" (
  "year" text,
  "league" text,
  "season" text,
  "play_off" text,
  "baltic" text,
  "events" text,
  "european" text
);

Question: Which League that has no playoffs in the Year of 2008–09?
SQL: SELECT "league" FROM "achievements" WHERE "play_off"='–' AND "year"='2008–09';

Question: Which Play-Off has Events of –, and a Season of a-6?
SQL: SELECT "play_off" FROM "achievements" WHERE "events"='–' AND "season"='a-6';

Question: Which Season has a Year of 2005–06?
SQL: SELECT "season" FROM "achievements" WHERE "year"='2005–06';

Question: Which European has a Play-Off of relegated?
SQL: SELECT "european" FROM "achievements" WHERE "play_off"='relegated';