TASK DEFINITION: Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.
PROBLEM: concept: Mississippi River  question:  which states does the mississippi river pass through?

SOLUTION: ['Mississippi', 'Wisconsin', 'Minnesota', 'Kentucky', 'Illinois', 'Tennessee', 'Arkansas', 'Missouri', 'Iowa', 'Louisiana']

PROBLEM: concept: Colorado  question:  what is the state symbols of colorado?

SOLUTION: ['Painted turtle', 'Stegosaurus', 'Nil sine numine', 'Aquilegia saximontana', 'Greenback cutthroat trout', 'Yule Marble', 'Lark Bunting', 'Picea pungens']

PROBLEM: concept: Robert Hooke  question:  what did robert hooke discover?

SOLUTION:
Based on his design, a marine chronometer accurate enough to measure longitude was eventually constructed by John Harrison in the 18th century.