query: SELECT open_year FROM branch GROUP BY open_year HAVING count(*)  >=  2
question: What-all the opening year in which at least two shop opened them?
query_toks: SELECT open_year FROM branch GROUP BY open_year HAVING count ( * ) > = 2
query_toks_no_value: select open_year from branch group by open_year having count ( * ) > = value
question_toks: What-all the opening year in which at least two shop opened them?