CREATE TABLE table_19540 ("Pick #" FLOAT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "NHL team" TEXT, "College/junior/club team" TEXT)

Jack Lynch played for the oshawa generals (omjhl) before playing for what nhl team?
SELECT "NHL team" FROM table_19540 WHERE "College/junior/club team" = 'Oshawa Generals (OMJHL)'
SELECT "NHL team" FROM "table_19540" WHERE "College/junior/club team" = 'Oshawa Generals (OMJHL)'