CREATE TABLE table_4315 ("Player" TEXT, "Nationality" TEXT, "Position" TEXT, "Years in Toronto" TEXT, "School/Club Team" TEXT)

Which Player's Position is guard and played in Toronto during the Years 2007-08?
SELECT "Player" FROM table_4315 WHERE "Position" = 'guard' AND "Years in Toronto" = '2007-08'
SELECT "Player" FROM "table_4315" WHERE "Position" = 'guard' AND "Years in Toronto" = '2007-08'