query: SELECT TYPE FROM ship WHERE Tonnage  >  6000 INTERSECT SELECT TYPE FROM ship WHERE Tonnage  <  4000
question: Do Show the type of ship have both ship with tonnage more larger than 6000 and ship with tonnage more smaller than 4000.
query_toks: SELECT TYPE FROM ship WHERE Tonnage > 6000 INTERSECT SELECT TYPE FROM ship WHERE Tonnage < 4000
query_toks_no_value: select type from ship where tonnage > value intersect select type from ship where tonnage < value
question_toks: Do Show the type of ship have both ship with tonnage more larger than 6000 and ship with tonnage more smaller than 4000.