Table:
text: United States House of Representatives elections, 1922
Louisiana
Louisiana
District Incumbent Party First_elected Result_ Candidates
Louisiana 1 James O`Connor Democratic 1918 Re-elected James O`Connor (D) Unopposed
Louisiana 2 Henry Garland Dupré Democratic 1908 Re-elected Henry Garland Dupré (D) Unopposed
Louisiana 3 Whitmell P. Martin Democratic 1914 Re-elected Whitmell P. Martin (D) Unopposed
Louisiana 4 John N. Sandlin Democratic 1920 Re-elected John N. Sandlin (D) Unopposed
Louisiana 5 Riley Joseph Wilson Democratic 1914 Re-elected Riley Joseph Wilson (D) Unopposed
Louisiana 6 George K. Favrot Democratic 1920 Re-elected George K. Favrot (D) Unopposed
Louisiana 7 Ladislas Lazaro Democratic 1912 Re-elected Ladislas Lazaro (D) Unopposed

Question: How many candidates won the election of John N. Sandlin in the 1922 United States House of Representatives election, Louisiana ?