What is the Romanization of the Mandarin word whose Rōmaji is ūroncha
CREATE TABLE "examples_of_chinese_loanwords_in_japanes" (
  "japanese" text,
  "r_maji" text,
  "meaning" text,
  "chinese" text,
  "romanization" text,
  "source_language" text
);
SELECT "romanization" FROM "examples_of_chinese_loanwords_in_japanes" WHERE "source_language"='mandarin' AND "r_maji"='ūroncha';