SELECT date FROM table_name_14 WHERE tournament = "at&t pebble beach national pro-am" AND margin_of_victory = "1 stroke" AND to_par = "–11"
Tanggal mana yang memiliki turnamen AT&T Pebble Beach National Pro-Am, dan margin kemenangan 1 pukulan, dan setara –11?
CREATE TABLE table_name_14 (date VARCHAR, to_par VARCHAR, tournament VARCHAR, margin_of_victory VARCHAR)