user: Question: What Japanese On'yomi has Vietnamese of mậu?
Columns: ['Celestial Stem', 'Chinese Mandarin Pinyin', 'Cantonese Jyutping', 'Wuu Wuupin', 'Japanese kunyomi', "Japanese on'yomi", 'Korean ( RR )', 'Manchu ( Möllendorff )', 'Vietnamese', 'Yin and Yang ( 陰陽 )', 'Wu Xing ( 五行 )', 'Wu xing correlations']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['甲', 'jiǎ', 'gaap3', 'ciaeh43', 'kinoe', 'kō', '갑 (gap)', 'ᠨᡳᠣᠸᠠᠩᡤᡳᠶᠠᠨ (niowanggiyan)', 'giáp', '陽 (yang)', '木 ( wood )', '東 East']
SQL:

assistant: SELECT "Japanese on'yomi" FROM "Table" WHERE "Vietnamese" = 'mậu';