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) 78.5% James Hogan (R) 21.5% |
| Texas 2 | John Dowdy | Democratic | 1952.0 | Re-elected | John Dowdy (D) Unopposed |
| Texas 3 | James M. Collins | Republican | 1968.0 | Re-elected | James M. Collins (R) 60.6% John Mead (D) 39.4% |
| Texas 4 | Ray Roberts | Democratic | 1962.0 | Re-elected | Ray Roberts (D) Unopposed |
| Texas 5 | Earle Cabell | Democratic | 1964.0 | Re-elected | Earle Cabell (D) 59.7% Frank Crowley (R) 40.3% |
| Texas 6 | Olin E. Teague | Democratic | 1946.0 | Re-elected | Olin E. Teague (D) Unopposed |
| Texas 8 | Robert C. Eckhardt | Democratic | 1966.0 | Re-elected | Robert C. Eckhardt (D) Unopposed |
| Texas 9 | Jack Brooks | Democratic | 1952.0 | Re-elected | Jack Brooks (D) 64.5% Henry C. Pressler (D) 35.5% |
| Texas 10 | J. J. Pickle | Democratic | 1963.0 | Re-elected | J. J. Pickle (D) Unopposed |
| Texas 11 | William R. Poage | Democratic | 1936.0 | Re-elected | William R. Poage (D) Unopposed |
| Texas 12 | Jim Wright | Democratic | 1954.0 | Re-elected | Jim Wright (D) Unopposed |
| Texas 14 | John Andrew Young | Democratic | 1956.0 | Re-elected | John Andrew Young (D) Unopposed |
| Texas 17 | Omar Burleson | Democratic | 1946.0 | Re-elected | Omar Burleson (D) Unopposed |
| Texas 18 | Bob Price | Republican | 1966.0 | Re-elected | Bob Price (R) 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 |
| Texas 21 | O. C. Fisher | Democratic | 1942.0 | Re-elected | O. C. Fisher (D) 61.4% Richard Gill (R) 38.6% |
| Texas 22 | Robert R. Casey | Democratic | 1958.0 | Re-elected | Robert R. Casey (D) 55.6% Arthur Busch (R) 44.4% |
Question:
What was the result when Ray Roberts was elected?
Answer:
Re-elected