CREATE TABLE table_46622 ("Player" TEXT, "Nationality" TEXT, "Position" TEXT, "Years for Grizzlies" TEXT, "School/Club Team" TEXT)

What are the years when the grizzlies had a point guard who attended the school/club Florida?
SELECT "Years for Grizzlies" FROM table_46622 WHERE "Position" = 'point guard' AND "School/Club Team" = 'florida'
SELECT "Years for Grizzlies" FROM "table_46622" WHERE "Position" = 'point guard' AND "School/Club Team" = 'florida'