CREATE TABLE table_4002 ("District" CLOB, "Incumbent" CLOB, "Cook" CLOB, "Rothenberg" CLOB, "CQ Politics" CLOB, "Crystal Ball" CLOB)

How many incumbents are in district la-1?
SELECT COUNT("Incumbent") FROM table_4002 WHERE "District" = 'LA-1'
SELECT COUNT("Incumbent") FROM "table_4002" WHERE "District" = 'LA-1'