CREATE TABLE table_name_43 (years_for_jazz VARCHAR, position VARCHAR, player VARCHAR)

Who is the center position of Years for Jazz, Greg Ostertag?
SELECT years_for_jazz FROM table_name_43 WHERE position = "center" AND player = "greg ostertag"
SELECT "years_for_jazz" FROM "table_name_43" WHERE "center" = "position" AND "greg ostertag" = "player"