Question:
Which political party did John Tyler belong to in Feb, 1837?

Context:
 John Tyler is a member of the Democratic Party from Jan, 1816 to Jan, 1836. 
 John Tyler is a member of the Whig Party from Jan, 1836 to Jan, 1841. 
 John Tyler is a member of the independent politician from Jan, 1841 to Jan, 1862.

Answer:
Whig Party