query: SELECT company FROM customers WHERE first_name = "Eduardo" AND last_name = "Martins";
question: What-all that company where Eduardo Martins a customer?
query_toks: SELECT company FROM customers WHERE first_name = `` Eduardo '' AND last_name = `` Martins '' ;
query_toks_no_value: select company from customers where first_name = value and last_name = value
question_toks: What-all that company where Eduardo Martins a customer?