CREATE TABLE "table1_26263954_1" (
  "english" text,
  "japanese" text,
  "kana_spelling" text,
  "revised_hepburn" text,
  "kunrei_shiki" text,
  "nihon_shiki" text
);

Question: how many revised hepburn when english is roman characters
SQL: SELECT "revised_hepburn" FROM "table1_26263954_1" WHERE "english"='Roman characters';

Question: when chiji is revised hepburn what are all the english
SQL: SELECT "english" FROM "table1_26263954_1" WHERE "revised_hepburn"='chiji';

Question: how many number of english when kunrei-shiki is otya
SQL: SELECT COUNT("english") FROM "table1_26263954_1" WHERE "kunrei_shiki"='otya';

Question: how many kana spelling when english is mount fuji 
SQL: SELECT "kana_spelling" FROM "table1_26263954_1" WHERE "english"='Mount Fuji';

Question: when english is tea how many nihon-shiki
SQL: SELECT "nihon_shiki" FROM "table1_26263954_1" WHERE "english"='tea';