Table schema:
CREATE TABLE table_name_92 (year_began VARCHAR, userpics_paid VARCHAR, userpics_free VARCHAR)

Question: What is the year began for the site with free userpics cost of $1 and a userpics paid value of N/A?
SQL: SELECT year_began FROM table_name_92 WHERE userpics_paid = "n/a" AND userpics_free = "1"