user: Question: How many solar eclipse during  January 15-16 and august 21-22 on August 21, 2017?
Columns: ['June 10-11', 'March 27-29', 'January 15-16', 'November 3', 'August 21-22']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['June 10, 1964', 'March 28, 1968', 'January 16, 1972', 'November 3, 1975', 'August 22, 1979']
SQL:

assistant: SELECT COUNT("January 15-16") FROM "Table" WHERE "August 21-22" = 'August 21, 2017';