CREATE TABLE table_name_90 (number VARCHAR, position VARCHAR, school_club_team VARCHAR)

What is the number for the forward position from the school/club team La Salle?
SELECT number FROM table_name_90 WHERE position = "forward" AND school_club_team = "la salle"
SELECT "number" FROM "table_name_90" WHERE "forward" = "position" AND "la salle" = "school_club_team"