query: SELECT Air_Date FROM TV_series WHERE Episode = "A Love of a Lifetime";
question: What is the air date of TV series with Episode "A Love of a Lifetime"?
query_toks: SELECT Air_Date FROM TV_series WHERE Episode = `` A Love of a Lifetime '' ;
query_toks_no_value: select air_date from tv_series where episode = value
question_toks: What is the air date of TV series with Episode "A Love of a Lifetime"?