code: public Committees search(String state, String chamber, String committee, String subcommittee) throws OpenStatesException {
  		return api.query(
  			new MethodMap("committees"), 
  			new ArgMap(
  				"state", state, 
  				"chamber", chamber, 
  				"committee", committee, 
  				"subcommittee", subcommittee
  			), 
  			Committees.class
  		);
  	}
docs: Committee Search
  This method allows searching by a number of fields:
  Committee objects returned by this method do not include the list of members by default.
  
  @param state
  @param chamber
  @param committee
  @param subcommittee
  
  @return {@link Committees}
  @throws OpenStatesException