CREATE TABLE table_18344 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

In which district is the incumbent John Breaux?
SELECT "District" FROM table_18344 WHERE "Incumbent" = 'John Breaux'
SELECT "District" FROM "table_18344" WHERE "Incumbent" = 'John Breaux'