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_1341690_21 (incumbent VARCHAR, candidates VARCHAR)
### Question:
How many times was the candidates paul tsongas (d) 60.6% paul w. cronin (r) 39.4%?
### Answer:
SELECT COUNT(incumbent) FROM table_1341690_21 WHERE candidates = "Paul Tsongas (D) 60.6% Paul W. Cronin (R) 39.4%"