ฝ่ายใดมี Clair Engle ดำรงตำแหน่ง?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Which party had Clair Engle as an incumbent?It is not neccessary to use all the tables.
 table_18527:  "District" [ text]  "Incumbent" [ text]  "Party" [ text]  "Result" [ text]  "Candidates" [ text] 
SELECT "Party" FROM table_18527 WHERE "Incumbent" = 'Clair Engle'