SELECT MIN("Assists") FROM table_34709 WHERE "Pims" = '70' AND "Goals" < '19'
What is the smallest number of assists with 70 Pims and less than 19 goals?
CREATE TABLE table_34709 (
    "Name" text,
    "Pld." real,
    "Goals" real,
    "Assists" real,
    "Points" real,
    "Pims" real
)