CREATE TABLE table_20296 ("#" FLOAT, "Advocate # 1" TEXT, "Advocate # 2" TEXT, "Root of All Evil" TEXT, "Poll winner" TEXT, "Original air date" TEXT)

Name the number of advocate #1 that aired on april 2, 2008
SELECT COUNT("Advocate # 1") FROM table_20296 WHERE "Original air date" = 'April 2, 2008'
SELECT COUNT("Advocate # 1") FROM "table_20296" WHERE "Original air date" = 'April 2, 2008'