VCF0923 Contact with House Challenger: Received Mail

QUESTION:
---------
Which ones?
RESPONDENT RECEIVED SOMETHING IN MAIL FROM [challenger]

VALID_CODES:
------------
1.  Yes
5.  No

MISSING_CODES:
--------------
9.   NA if contact made (9 in VCF0919); NA VCF0920-926;
     no Post IW; Washington D.C.; telephone IW
     (1984); short form IW (1992)
0.   Incumbent candidate unopposed or not running; no
     contact; only contact mentioned is an unspecified
     "other"; challenger not in major party
Inap. question not used

NOTES:
------
See VCF0919.

WEIGHT:
-------
VCF0009/VCF0009a

TYPE:
-----
Numeric  Dec 0

SOURCE_VARS:
------------
1978:  782047
1980:  800933
1982:  820190,820217,820227
1984:  840950
1986:  860235
1988:  880730
1990:  900253
1992:  925506,925517
1994:  940506,940517