CREATE TABLE table_26939 ("Name" TEXT, "Position" TEXT, "Period" TEXT, "Appearances\\u00b9" FLOAT, "Goals\\u00b9" FLOAT, "Nationality\\u00b2" TEXT)

Name the total number of period for yvon le roux
SELECT COUNT("Period") FROM table_26939 WHERE "Name" = 'Yvon Le Roux'
SELECT COUNT("Period") FROM "table_26939" WHERE "Name" = 'Yvon Le Roux'