Question: How many times was team 1 the wykeham wonderers?
Schema: create table table_18733480_1 (players_left_after_round_1 varchar, team_1 varchar, PRIMARY KEY (players_left_after_round_1))
SQL: select count(players_left_after_round_1) from table_18733480_1 where team_1 = "wykeham wonderers"