Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| District | Incumbent | Party | First elected | Result | Candidates |
| --- | --- | --- | --- | --- | --- |
| Texas 1 | Wright Patman | Democratic | 1928.0 | Re-elected | Wright Patman (D) 68.6% James W. Farris (R) 31.4% |
| Texas 2 | Charles Wilson | Democratic | 1972.0 | Re-elected | Charles Wilson (D) Unopposed |
| Texas 3 | James M. Collins | Republican | 1968.0 | Re-elected | James M. Collins (R) 64.7% Harold Collum (D) 35.3% |
| Texas 4 | Ray Roberts | Democratic | 1962.0 | Re-elected | Ray Roberts (D) 74.9% Dick LeTourneau (R) 25.1% |
| Texas 5 | Alan Steelman | Republican | 1972.0 | Re-elected | Alan Steelman (R) 52.1% Mike McKool (D) 47.9% |
| Texas 6 | Olin E. Teague | Democratic | 1946.0 | Re-elected | Olin E. Teague (D) 83.0% Carl Nigliazzo (R) 17.0% |
| Texas 10 | J. J. Pickle | Democratic | 1963.0 | Re-elected | J. J. Pickle (D) 80.4% Paul A. Weiss (R) 19.6% |
| Texas 12 | Jim Wright | Democratic | 1954.0 | Re-elected | Jim Wright (D) 78.7% James S. Garvey (R) 21.3% |
| Texas 13 | Bob Price | Republican | 1966.0 | Lost re-election Democratic gain | Jack Hightower (D) 57.6% Bob Price (R) 42.4% |
| Texas 14 | John Andrew Young | Democratic | 1956.0 | Re-elected | John Andrew Young (D) Unopposed |
| Texas 15 | Kika de la Garza | Democratic | 1964.0 | Re-elected | Kika de la Garza (D) Unopposed |
| Texas 16 | Richard C. White | Democratic | 1964.0 | Re-elected | Richard C. White (D) Unopposed |
| Texas 17 | Omar Burleson | Democratic | 1946.0 | Re-elected | Omar Burleson (D) Unopposed |
| Texas 19 | George H. Mahon | Democratic | 1934.0 | Re-elected | George H. Mahon (D) Unopposed |
| Texas 20 | Henry B. Gonzalez | Democratic | 1961.0 | Re-elected | Henry B. Gonzalez (D) Unopposed |
Question:
Name the candidates for texas 20
Answer:
Henry B. Gonzalez (D) Unopposed