Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_2639433_4 (market_share__target_group_14_49_ VARCHAR, viewers__in_millions_target_group_14_49_ VARCHAR)
### Question:
How many times was the viewer target group 0.63?
### Answer:
SELECT COUNT(market_share__target_group_14_49_) FROM table_2639433_4 WHERE viewers__in_millions_target_group_14_49_ = "0.63"