query: SELECT fname FROM authors WHERE lname  =  "Ueno"
question: Which authors have last name "Ueno"? Are Listing theirn first names.
query_toks: SELECT fname FROM authors WHERE lname = `` Ueno ''
query_toks_no_value: select fname from authors where lname = value
question_toks: Which authors have last name "Ueno"? Are Listing theirn first names.