CREATE TABLE "relation_of_each_series" (
  "name" text,
  "type" text,
  "relation" text,
  "length" text,
  "year" real
);

Question: Which Name has a Year larger than 2001, and a Length of 52 x 20 mins?
SQL: SELECT "name" FROM "relation_of_each_series" WHERE "year">2001 AND "length"='52 x 20 mins';

Question: What was the type after 2004?
SQL: SELECT "type" FROM "relation_of_each_series" WHERE "year">2004;

Question: Which Relation has a Year larger than 2000, and a Length of 8 x 20 mins?
SQL: SELECT "relation" FROM "relation_of_each_series" WHERE "year">2000 AND "length"='8 x 20 mins';

Question: Which Relation has a Type of tv, and a Name of ohanami?
SQL: SELECT "relation" FROM "relation_of_each_series" WHERE "type"='tv' AND "name"='ohanami';