CREATE TABLE table_64172 ("Year" FLOAT, "Game" TEXT, "Genre" TEXT, "Platform ( s ) " TEXT, "Developer ( s ) " TEXT)

What year was the developer(s) Bioware?
SELECT AVG("Year") FROM table_64172 WHERE "Developer(s)" = 'bioware'
SELECT AVG("Year") FROM "table_64172" WHERE "Developer(s)" = 'bioware'