SELECT date FROM table_name_52 WHERE competition = "pl group b" AND opponents = "police" AND venue = "selayang municipal council stadium"
Tanggal mana yang memiliki kompetisi PL Group B, dan penentang polisi, dan tempat Stadion Dewan Kota Selayang?
CREATE TABLE table_name_52 (date VARCHAR, venue VARCHAR, competition VARCHAR, opponents VARCHAR)