SELECT "Name" FROM table_73219 WHERE "Owner" = 'David Johnson'
What was the name of the entrant with an owner named David Johnson?
CREATE TABLE table_73219 (
    "Starting price" text,
    "Number" real,
    "Name" text,
    "Age" real,
    "Weight (st, lb)" text,
    "Jockey" text,
    "Trainer" text,
    "Owner" text,
    "Colours" text
)