SELECT "Skip" FROM table_21223 WHERE "Shot Pct." = '88' AND "Province" = 'Alberta'
Who was Alberta's skip when the shot pct was 88?
CREATE TABLE table_21223 (
    "Province" text,
    "Skip" text,
    "W" real,
    "L" real,
    "PF" real,
    "PA" real,
    "Ends Won" real,
    "Ends Lost" real,
    "Blank Ends" real,
    "Stolen Ends" real,
    "Shot Pct." real
)