CREATE TABLE table_27292 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

In what district was keith ellison the incumbent?
SELECT "District" FROM table_27292 WHERE "Incumbent" = 'Keith Ellison'
SELECT "District" FROM "table_27292" WHERE "Incumbent" = 'Keith Ellison'