CREATE TABLE table_204_651 (id DECIMAL, "date" TEXT, "championship" TEXT, "location" TEXT, "category" TEXT, "surface" TEXT, "prev. result" TEXT, "prev. points" DECIMAL, "new points" DECIMAL, "outcome" TEXT)

how many total championships are included ?
SELECT COUNT("championship") FROM table_204_651
SELECT COUNT("championship") FROM "table_204_651"